Search Results: "Ni"

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18:29 Popular
US History Overview 1: Jamestown to the Civil War

1,096 views / 3 likes - added 9 years ago

Jamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ
15:04
Communism

543 views / 0 likes - added 9 years ago

Overview of Communism and Marxist-Leninist States More free lessons at: http://www.khanacademy.org/video?v=MmRgMAZyYN0
14:21
20th Century Capitalism and Regulation in the United States

593 views / 0 likes - added 9 years ago

Overview of cycles of regulation, de-regulation and government in 20th century US capitalism More free lessons at: http://www.khanacademy.org/video?v=J33nVRyTeyU
14:51
French Revolution (Part 2)

540 views / 2 likes - added 9 years ago

Royals try to escape. Champ De Mars Massacre. Declaration of Pillnitz. Movement towards becoming a Republic. More free lessons at: http://www.khanacademy.org/video?v=0t4MF9ZoppM
20:22
Napoleon's Peninsular Campaigns

696 views / 0 likes - added 9 years ago

French forces get embroiled in the Iberian Peninsula More free lessons at: http://www.khanacademy.org/video?v=ALJGz4r_VF0
05:49
Opportunity Cost

610 views / 0 likes - added 9 years ago

Opportunity cost (and marginal cost) based on the PPF More free lessons at: http://www.khanacademy.org/video?v=pkEiHZAtoro
06:26
Increasing Opportunity Cost

672 views / 0 likes - added 9 years ago

Why the opportunity cost may increase as you pursue more rabbits More free lessons at: http://www.khanacademy.org/video?v=00fgAG6VrRQ
04:37
Constant Unit Elasticity

497 views / 0 likes - added 9 years ago

What a demand curve with constant unit elasticity would look like More free lessons at: http://www.khanacademy.org/video?v=m7qXvQvWlY4
08:20
Producer Surplus

556 views / 0 likes - added 9 years ago

Looking at the supply curve as an opportunity cost curve. Understanding the producer surplus as the area between the supply curve and the market price More free lessons at: http://www.khanacademy.org/video?v=-V-Y5klejSg
09:06
Minimum Wage and Price Floors

543 views / 0 likes - added 9 years ago

How a minimum wage might effect the labor market More free lessons at: http://www.khanacademy.org/video?v=j0c2vmFGbtk
08:10
Depreciation and Opportunity Cost of Capital

533 views / 0 likes - added 9 years ago

How to account for things when you own the building instead of renting it More free lessons at: http://www.khanacademy.org/video?v=ckBKDrKVIMU
05:55
Marginal Revenue Below Average Total Cost

516 views / 0 likes - added 9 years ago

Why it is rational to produce at a loss More free lessons at: http://www.khanacademy.org/video?v=ni0TL4pXG5w
09:21
Prisoners' Dilemma and Nash Equilibrium

590 views / 1 likes - added 9 years ago

Why two not-so-loyal criminals would want to snitch each other out More free lessons at: http://www.khanacademy.org/video?v=UkXI-zPcDIM
06:31
More on Nash Equilibrium

501 views / 0 likes - added 9 years ago

Looking more closely at the definition of Nash Equilibrium More free lessons at: http://www.khanacademy.org/video?v=ewu_7Dmj_18
06:38
Tragedy of the Commons

471 views / 0 likes - added 9 years ago

How public resources can be abused More free lessons at: http://www.khanacademy.org/video?v=0b2Tl0x-niw
02:50
More on Final and Intermediate GDP Contributions

453 views / 0 likes - added 9 years ago

What happens when a good is not finished in a period More free lessons at: http://www.khanacademy.org/video?v=C1pHvEAKmLA
08:54
Monetary and Fiscal Policy

485 views / 0 likes - added 9 years ago

Basic mechanics of monetary and fiscal policy More free lessons at: http://www.khanacademy.org/video?v=ntxMOKXHlfo
06:29
Balance of Payments- Current Account

519 views / 0 likes - added 9 years ago

Understanding the United States Current Account in 2011 More free lessons at: http://www.khanacademy.org/video?v=dirBYVjDk7A
07:41
Math Mechanics of Thai Banking Crisis

653 views / 0 likes - added 9 years ago

Going through the mechanics of how a Thai financial institution can lose their shirt when their currency devalues. More free lessons at: http://www.khanacademy.org/video?v=9p3HNMe-oAI
08:21
How and why Greece would leave the Euro (part 3)

462 views / 0 likes - added 9 years ago

The pain and mechanics of leaving the Euro More free lessons at: http://www.khanacademy.org/video?v=jkmwAJMERrY
04:03
Carry Trade Basics

649 views / 0 likes - added 9 years ago

The mechanics of the carry trade More free lessons at: http://www.khanacademy.org/video?v=8In5PK1yUAA
09:12
Koch Snowflake Fractal

700 views / 0 likes - added 9 years ago

A shape that has an infinite perimeter but finite area More free lessons at: http://www.khanacademy.org/video?v=azBNsPa1WC4
03:15
US and Japanese Quantitative Easing

508 views / 0 likes - added 9 years ago

Comparing quantitative easing in Japan to "credit easing" in the United States More free lessons at: http://www.khanacademy.org/video?v=a-R8qpea6lc
11:20 Popular
Richter Scale

759 views / 2 likes - added 9 years ago

The basics of the logarithmic Richter and Moment Magnitude Scales to measure earthquakes More free lessons at: http://www.khanacademy.org/video?v=RFn-IGlayAg
12:26 Popular
Human Evolution Overview

962 views / 0 likes - added 9 years ago

From the extinction of the dinosaurs to humanity More free lessons at: http://www.khanacademy.org/video?v=frE1rjhH77Y
11:10
Electoral College

532 views / 0 likes - added 9 years ago

How we elect our President in the United States More free lessons at: http://www.khanacademy.org/video?v=oTbvYGH_Hiw
13:19 Popular
Plate Tectonics -- Evidence of plate movement

1,932 views / 0 likes - added 9 years ago

Plate Tectonics -- Evidence of plate movement More free lessons at: http://www.khanacademy.org/video?v=6EdsBabSZ4g
10:06
Defining a Factorial Function

536 views / 0 likes - added 9 years ago

Defining a function in Python
09:05
Projectile motion (part 3)

498 views / 0 likes - added 9 years ago

An example of solving for the final velocity when you know the change in distance, time, initial velocity, and acceleration More free lessons at: http://www.khanacademy.org/video?v=Y5cSGxdDHz4
08:58
Projectile motion (part 4)

447 views / 0 likes - added 9 years ago

Solving for time when you are given the change in distance, acceleration, and initial velocity More free lessons at: http://www.khanacademy.org/video?v=-W3RkgvLrGI
08:10
Introduction to angular velocity

523 views / 0 likes - added 9 years ago

Angular velocity or how fast something is spinning.
09:36
2003 AIME II Problem 12

483 views / 0 likes - added 9 years ago

Minimum members in a committee More free lessons at: http://www.khanacademy.org/video?v=KD46pC_KFWk
06:43 Popular
IIT JEE Position Vectors

798 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 problem 32 Position Vectors More free lessons at: http://www.khanacademy.org/video?v=GDXyGy5TjnI
13:11 Popular
IIT JEE Algebraic Manipulation

733 views / 0 likes - added 9 years ago

2010 Paper 1 problem 35 Algebraic Manipulation More free lessons at: http://www.khanacademy.org/video?v=zs5LM7dxyTo
09:54
IIT JEE Hairy Trig and Algebra (Part 2)

693 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM
14:00 Popular
IIT JEE Differentiability and Boundedness

733 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 Problem 40 Differentiability and Boundedness More free lessons at: http://www.khanacademy.org/video?v=FIt1RNiCO6U
09:55 Popular
IIT JEE Trigonometric Maximum

769 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 Problem 48 Trigonometric Maximum More free lessons at: http://www.khanacademy.org/video?v=tzR9jUCSniQ
16:39
Radius of Observable Universe

478 views / 0 likes - added 9 years ago

Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=6nVysrZQnOQ
02:15
(Correction) Radius of Observable Universe

481 views / 0 likes - added 9 years ago

(Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv76BQDs
08:58
A Universe Smaller than the Observable

469 views / 0 likes - added 9 years ago

A Universe Smaller than the Observable More free lessons at: http://www.khanacademy.org/video?v=0w9R_foNLrg
09:26
Stellar Parallax

447 views / 0 likes - added 9 years ago

Another version of the stellar parallax introduction More free lessons at: http://www.khanacademy.org/video?v=omvNINaRdxg
07:34
Parsec Definition

468 views / 0 likes - added 9 years ago

Parsec Definition More free lessons at: http://www.khanacademy.org/video?v=6zV3JEjLoyE
10:26
Beginnings of Life

659 views / 0 likes - added 9 years ago

Life and photosynthesis start to thrive in the Archean Eon More free lessons at: http://www.khanacademy.org/video?v=nYFuxTXDj90
08:00 Popular
Plate Tectonics-- Difference between crust and lithosphere

703 views / 0 likes - added 9 years ago

Plate Tectonics Introduction and Difference between crust and lithosphere More free lessons at: http://www.khanacademy.org/video?v=f2BWsPVN7c4
11:58 Popular
Plate Tectonics -- Geological Features of Divergent Plate Boundaries

1,504 views / 0 likes - added 9 years ago

Plate Tectonics -- Geological Features of Divergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=FK1s1-OJ5BE
06:04 Popular
Plate Tectonics-- Geological features of Convergent Plate Boundaries

748 views / 1 likes - added 9 years ago

Geological features of Convergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=Y0eWnOZpSpQ
11:50 Popular
Compositional and Mechanical Layers of the Earth

839 views / 2 likes - added 9 years ago

Crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteUIS0OFY
10:35
Potassium-Argon (K-Ar) Dating

630 views / 0 likes - added 9 years ago

How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5kJEviD0
13:17
Collective Learning

560 views / 0 likes - added 9 years ago

How symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom More free lessons at: http://www.khanacademy.org/video?v=NqR_dtZu4Mo
01:51
Multiplying Whole Numbers and Applications 4

603 views / 0 likes - added 9 years ago

U01_L3_T1_we4 Multiplying Whole Numbers and Applications 4 More free lessons at: http://www.khanacademy.org/video?v=tx2Niw7aJJ8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:26
Recognizing Divisibility

634 views / 0 likes - added 9 years ago

U02_L1_T3_we1 Recognizing Divisibility More free lessons at: http://www.khanacademy.org/video?v=2G_Jr_XpnY4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:40
Recognizing Prime Numbers

581 views / 0 likes - added 9 years ago

U02_L1_T3_we4 Recognizing Prime Numbers More free lessons at: http://www.khanacademy.org/video?v=3h4UK62Qrbo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:31
Finding Unit Rates

486 views / 0 likes - added 9 years ago

U04_L1_T1_we3 Finding Unit Rates More free lessons at: http://www.khanacademy.org/video?v=Zm0KaIw-35k Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:01
Describing the Meaning of Percent

443 views / 0 likes - added 9 years ago

U05_L1_T1_we1 Describing the Meaning of Percent More free lessons at: http://www.khanacademy.org/video?v=Lvr2YsxG10o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:22
Describing the Meaning of Percent 2

466 views / 0 likes - added 9 years ago

U05_L1_T1_we2 Describing the Meaning of Percent 2 More free lessons at: http://www.khanacademy.org/video?v=MokI3Fi8jpc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:48
Unit Conversion with Fractions

420 views / 0 likes - added 9 years ago

u6_l1_t1_we1 Unit Conversion with Fractions More free lessons at: http://www.khanacademy.org/video?v=jFSenp9ueaI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:57
Adding different units of length

502 views / 0 likes - added 9 years ago

U06_L1_T1_we2 Adding different units of length
08:04 Popular
Converting units of length

880 views / 0 likes - added 9 years ago

U06_L1_T1_we3 Converting units of length More free lessons at: http://www.khanacademy.org/video?v=AGFO-ROxH_I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:31
Adding different units for weight

603 views / 0 likes - added 9 years ago

U06_L1_T2_we2 Adding different units for weight
07:08
Application problems involving units of weight

561 views / 0 likes - added 9 years ago

U06_L1_T2_we3 Application problems involving units of weight More free lessons at: http://www.khanacademy.org/video?v=gnCL_0uA6Ds Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:23
Performing arithmetic calculations on units of volume

559 views / 0 likes - added 9 years ago

U06_L1_T3_we2 Performing arithmetic calculations on units of volume More free lessons at: http://www.khanacademy.org/video?v=hShqXKpI6KA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:29
Solving application problems involving units of volume

565 views / 0 likes - added 9 years ago

U06_L1_T3_we3 Solving application problems involving units of volume More free lessons at: http://www.khanacademy.org/video?v=KgoXx_58QyQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:10 Popular
U.S. Customary and Metric units

734 views / 0 likes - added 9 years ago

U06_L2_T1_we1 U.S. Customary and Metric units More free lessons at: http://www.khanacademy.org/video?v=y2RHWA7t0WM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:16 Popular
Conversion between metric units

836 views / 0 likes - added 9 years ago

U06_L2_T1_we2 Conversion between metric units More free lessons at: http://www.khanacademy.org/video?v=SYkmadc2wOI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:13
Perimeter and Unit Conversion

514 views / 0 likes - added 9 years ago

u6_l2_t3_we1 Perimeter and Unit Conversion More free lessons at: http://www.khanacademy.org/video?v=q9XCrpLPfGk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
07:29
Representing Structures of Organic Molecules

444 views / 0 likes - added 9 years ago

Representing Structures of Organic Molecules More free lessons at: http://www.khanacademy.org/video?v=pMoA65Dj-zk
08:59
More Organic Chemistry Naming Examples 1

579 views / 0 likes - added 9 years ago

More Organic Chemistry Naming Examples 1
10:26
Organic Chemistry Naming Examples 2

497 views / 0 likes - added 9 years ago

Organic Chemistry Naming Examples 2 More free lessons at: http://www.khanacademy.org/video?v=CJRQ8gOjq4E
08:11
Organic Chemistry Naming Examples 3

491 views / 0 likes - added 9 years ago

Organic Chemistry Naming Examples 3 More free lessons at: http://www.khanacademy.org/video?v=Se-ekDNhCDk
07:48
Organic Chemistry Naming Examples 4

501 views / 0 likes - added 9 years ago

Organic Chemistry Naming Examples 4
10:04
Organic Chemistry Naming Examples 5

481 views / 0 likes - added 9 years ago

Organic Chemistry Naming Examples 5 More free lessons at: http://www.khanacademy.org/video?v=6BR0Q5e74bs
11:22
Introduction to Reaction Mechanisms

476 views / 0 likes - added 9 years ago

Introduction to Reaction Mechanisms . Addition reaction to an alkene More free lessons at: http://www.khanacademy.org/video?v=Z_GWBW_GVGA
09:09
Markovnikov's Rule and Carbocations

505 views / 0 likes - added 9 years ago

Markovnikov's Rule and Carbocations. Figuring out which addition reaction is more likely. More free lessons at: http://www.khanacademy.org/video?v=X-VCk3WrGlM
11:33
Ring-opening Sn2 reaction of expoxides

639 views / 0 likes - added 9 years ago

Ring-opening Sn2 reaction of expoxides
04:01
Recognizing Linear Functions

458 views / 0 likes - added 9 years ago

U03_L2_T5_we1 : Recognizing Linear Functions More free lessons at: http://www.khanacademy.org/video?v=AZroE4fJqtQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:43
Parallel lines 3

593 views / 0 likes - added 9 years ago

U04_L2_T1_we3 : Parallel lines 3 More free lessons at: http://www.khanacademy.org/video?v=y5yNi08cr6I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:37
Polynomials1

651 views / 0 likes - added 9 years ago

U08_L2_T1_we1 Polynomials1 More free lessons at: http://www.khanacademy.org/video?v=EvvxBdNIUeQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:07
U12_L1_T3_we1 Inductive Reasoning 1

432 views / 0 likes - added 9 years ago

U12_L1_T3_we1 Inductive Reasoning 1 More free lessons at: http://www.khanacademy.org/video?v=MnQ7Lizkpqk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:21
Inductive Reasoning 2

484 views / 0 likes - added 9 years ago

U12_L1_T3_we2 Inductive Reasoning 2 More free lessons at: http://www.khanacademy.org/video?v=ZSsBh4Ybbj8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:03
Inductive Reasoning 3

510 views / 0 likes - added 9 years ago

U12_L1_T3_we3 Inductive Reasoning 3 More free lessons at: http://www.khanacademy.org/video?v=pgfWkaySFGY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:00
Deductive Reasoning 1

537 views / 0 likes - added 9 years ago

U12_L1_T4_we1 Deductive Reasoning 1 More free lessons at: http://www.khanacademy.org/video?v=GEId0GonOZM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:57
Deductive Reasoning 2

520 views / 0 likes - added 9 years ago

U12_L1_T4_we2 Deductive Reasoning 2 More free lessons at: http://www.khanacademy.org/video?v=VMEV__2wW3E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:11
Deductive Reasoning 3

546 views / 0 likes - added 9 years ago

U12_L1_T4_we3 Deductive Reasoning 3 More free lessons at: http://www.khanacademy.org/video?v=lYLaaMObgkw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
19:55
Embryonic Stem Cells

515 views / 0 likes - added 9 years ago

An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. More free lessons at: http://www.khanacademy.org/video?v=-yCIMk1x0Pk
17:08
Oxidation and Reduction in Cellular Respiration

487 views / 0 likes - added 9 years ago

Oxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction. More free lessons at: http://www.khanacademy.org/video?v=_KyyVhlUDNU
08:37 Popular
CAM Plants

913 views / 0 likes - added 9 years ago

How CAM Plants are able to fix carbon at night so they don't have to keep their stomata open during the day More free lessons at: http://www.khanacademy.org/video?v=xp6Zj24h8uA
18:53
Electrotonic and Action Potentials

508 views / 0 likes - added 9 years ago

How electrotonic and action potentials propagate down cells
09:38
Myosin and Actin

515 views / 0 likes - added 9 years ago

How myosin and actin interact to produce mechanical force. More free lessons at: http://www.khanacademy.org/video?v=zopoN2i7ALQ
09:22
Tropomyosin and troponin and their role in regulating muscle contraction

687 views / 0 likes - added 9 years ago

Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not. More free lessons at: http://www.khanacademy.org/video?v=LiOfeSsjrB8
16:20
Role of Phagocytes in Innate or Nonspecific Immunity

458 views / 0 likes - added 9 years ago

Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells. MHC II. More free lessons at: http://www.khanacademy.org/video?v=O1N2rENXq_Y
08:07
Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated

573 views / 0 likes - added 9 years ago

Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity. More free lessons at: http://www.khanacademy.org/video?v=rp7T4IItbtM
08:49
Species

665 views / 1 likes - added 9 years ago

What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs More free lessons at: http://www.khanacademy.org/video?v=Tmt4zrDK3dA
12:13
Periodic Table Trends: Ionization Energy

549 views / 0 likes - added 9 years ago

What an ion is. Using the periodic table to understand how difficult it is to ionize an atom. More free lessons at: http://www.khanacademy.org/video?v=ywqg9PorTAw
13:22
Ionic, Covalent, and Metallic Bonds

523 views / 0 likes - added 9 years ago

Introduction to ionic, covalent, polar covalent and metallic bonds. More free lessons at: http://www.khanacademy.org/video?v=CGA8sRwqIFg
09:44
The Mole and Avogadro's Number

620 views / 0 likes - added 9 years ago

Introduction to the idea of a mole as a number (vs. an animal) More free lessons at: http://www.khanacademy.org/video?v=AsqEkF7hcII
09:14
Covalent Networks, Metallic, and Ionic Crystals

578 views / 1 likes - added 9 years ago

Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures. More free lessons at: http://www.khanacademy.org/video?v=Rw_pDVbnfQk
03:04
Mini-Video on Ion Size

537 views / 0 likes - added 9 years ago

Correcting a mistake and learning a bit about ion size More free lessons at: http://www.khanacademy.org/video?v=HBi8xjMchZc
18:09
Introduction to pH, pOH, and pKw

559 views / 0 likes - added 9 years ago

Autoionization of water into hydronium and hydroxide ions. pH, pOH, and pKa. More free lessons at: http://www.khanacademy.org/video?v=2q4vSKwaBtw
18:37
Acid Base Introduction

578 views / 0 likes - added 9 years ago

Arrhenius, Bronsted Lowry, and Lewis Acids and Bases. More free lessons at: http://www.khanacademy.org/video?v=vShCnTY1-T0
18:26
Galvanic Cells

539 views / 0 likes - added 9 years ago

Redox reactions to drive Galvanic Cells.
12:31
Half-Life

677 views / 0 likes - added 9 years ago

Introduction to half-life More free lessons at: http://www.khanacademy.org/video?v=9REPnibO4IQ
15:38
Thermodynamic Entropy Definition Clarification

508 views / 0 likes - added 9 years ago

Clarifying that the thermodynamic definition of Entropy requires a reversible system. More free lessons at: http://www.khanacademy.org/video?v=PFcGiMLwjeY
28:26
Reconciling Thermodynamic and State Definitions of Entropy

471 views / 0 likes - added 9 years ago

Long video explaining why entropy is a measure of the number of states a system can take on (mathy, but mind-blowing). More free lessons at: http://www.khanacademy.org/video?v=WLKEVfLFau4
14:04
Efficiency of a Carnot Engine

652 views / 0 likes - added 9 years ago

Definition of efficiency for a heat engine. Efficiency of a Carnot Engine. More free lessons at: http://www.khanacademy.org/video?v=M_5KYncYNyc
09:57
Gibbs Free Energy Example

582 views / 0 likes - added 9 years ago

Determining if a reaction is spontaneous by calculating the change in Gibbs Free Energy. More free lessons at: http://www.khanacademy.org/video?v=sG1ZAdYi13A
12:43
Spectrophotometry Example

477 views / 0 likes - added 9 years ago

Spectrophotometry Example - Determining concentration based on absorbance More free lessons at: http://www.khanacademy.org/video?v=VqAa_cmZ7OY
10:15
Earnings and EPS

548 views / 0 likes - added 9 years ago

Earnings, EPS (earnings per share) and how they relate to the income statement and balance sheet More free lessons at: http://www.khanacademy.org/video?v=RouNXdkC0do
14:47
Introduction to the Price-to-Earnings Ratio

450 views / 0 likes - added 9 years ago

Price to Earnings Ration (or P/E ratio). More free lessons at: http://www.khanacademy.org/video?v=cppxO67e6eo
15:34
P/E Discussion

476 views / 0 likes - added 9 years ago

Discussion of the price-to-earnings ratio More free lessons at: http://www.khanacademy.org/video?v=V-rko8jgJ9o
13:41
P/E Conundrum

556 views / 0 likes - added 9 years ago

A situation where the price to earnings ratio seems to not fairly price an asset More free lessons at: http://www.khanacademy.org/video?v=VrFbXxkl9JU
11:19 Popular
Light Bulb Switching Brain Teaser

781 views / 0 likes - added 9 years ago

Turning light bulbs on and off. More free lessons at: http://www.khanacademy.org/video?v=WNhxkpmVQYw
14:28
Sampling Distribution Example Problem

514 views / 0 likes - added 9 years ago

Figuring out the probability of running out of water on a camping trip More free lessons at: http://www.khanacademy.org/video?v=0ZstEh_8bYc
06:47 Popular
Squared Error of Regression Line

708 views / 0 likes - added 9 years ago

Introduction to the idea that one can find a line that minimizes the squared distances to the points More free lessons at: http://www.khanacademy.org/video?v=6OvhLPS7rj4
10:35
Proof (Part 1) Minimizing Squared Error to Regression Line

674 views / 0 likes - added 9 years ago

Proof (Part 1) Minimizing Squared Error to Regression Line More free lessons at: http://www.khanacademy.org/video?v=mIx2Oj5y9Q8
10:54 Popular
Proof (Part 3) Minimizing Squared Error to Regression Line

715 views / 0 likes - added 9 years ago

Proof (Part 3) Minimizing Squared Error to Regression Line More free lessons at: http://www.khanacademy.org/video?v=u1HhUB3NP8g
04:18 Popular
Proof (Part 4) Minimizing Squared Error to Regression Line

776 views / 0 likes - added 9 years ago

Proof (Part 4) Minimizing Squared Error to Regression Line More free lessons at: http://www.khanacademy.org/video?v=8RSTQl0bQuw
09:54 Popular
Proof Part 2 Minimizing Squared Error to Line

742 views / 0 likes - added 9 years ago

Proof Part 2 Minimizing Squared Error to Line More free lessons at: http://www.khanacademy.org/video?v=f6OnoxctvUk
14:30
An IPO

554 views / 0 likes - added 9 years ago

The initial public offering of our online sock company. More free lessons at: http://www.khanacademy.org/video?v=ywOr4OYqXOs
11:59
Banking 2: A bank's income statement

666 views / 0 likes - added 9 years ago

Introduction to the income statement of a bank (and to income statements in general). More free lessons at: http://www.khanacademy.org/video?v=h3lMANILkw0
11:07
Banking 4: Multiplier effect and the money supply

634 views / 0 likes - added 9 years ago

How "money" is created in a fractional reserve banking system. M0 and M1 definitions of the money suppy. The multiplier effect. More free lessons at: http://www.khanacademy.org/video?v=F7r7l1VG-Tw
11:42
Banking 14: Fed Funds Rate

686 views / 0 likes - added 9 years ago

How open market operations effect the rate at which banks lend to each other overnight. More free lessons at: http://www.khanacademy.org/video?v=IniG1KkPS2c
12:16
Banking 15: More on the Fed Funds Rate

652 views / 0 likes - added 9 years ago

More on the mechanics of the Federal Funds rate and how it increases the money supply. More free lessons at: http://www.khanacademy.org/video?v=rgqFXkLAc-4
10:13 Popular
Banking 17: What happened to the gold?

708 views / 0 likes - added 9 years ago

Getting off the gold standard. A short discussion of the meaning of wealth. More free lessons at: http://www.khanacademy.org/video?v=NFDMXwwzyIM
11:25
Repurchase Agreements (Repo transactions)

504 views / 0 likes - added 9 years ago

Mechanics of repurchase agreements (repo transactions/loans) More free lessons at: http://www.khanacademy.org/video?v=QWninXOAMXE
05:59
2nd Order Linear Homogeneous Differential Equations 3

576 views / 1 likes - added 9 years ago

Let's use some initial conditions to solve for the particular solution More free lessons at: http://www.khanacademy.org/video?v=UyCwAFQt4v0
09:11
2nd Order Linear Homogeneous Differential Equations 4

631 views / 0 likes - added 9 years ago

Another example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=3uO_uPb9H8w
10:12
Complex roots of the characteristic equations 3

536 views / 0 likes - added 9 years ago

Lets do an example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=rGaM6pwqhB0
08:52
Repeated roots of the characterisitic equations part 2

524 views / 0 likes - added 9 years ago

An example where we use initial conditions to solve a repeated-roots differential equation. More free lessons at: http://www.khanacademy.org/video?v=YezsgIlcb68
09:07
Laplace Transform of : L{t}

581 views / 0 likes - added 9 years ago

Determining the Laplace Transform of t More free lessons at: http://www.khanacademy.org/video?v=qhKJ1DG9kYY
24:16 Popular
Laplace Transform of the Unit Step Function

784 views / 0 likes - added 9 years ago

Introduction to the unit step function and its Laplace Transform More free lessons at: http://www.khanacademy.org/video?v=4Mr7aEHQr8E
12:14
Using the Convolution Theorem to Solve an Initial Value Prob

592 views / 0 likes - added 9 years ago

Using the Convolution Theorem to solve an initial value problem More free lessons at: http://www.khanacademy.org/video?v=rfyq32mHcYs
17:38
More on linear independence

552 views / 0 likes - added 9 years ago

More examples determining linear dependence or independence. More free lessons at: http://www.khanacademy.org/video?v=Alhcv5d_XOs
16:53
Span and Linear Independence Example

529 views / 0 likes - added 9 years ago

Determining whether 3 vectors are linearly independent and/or span R3 More free lessons at: http://www.khanacademy.org/video?v=9kW6zFK5E5c
19:00
Linear Algebra: Basis of a Subspace

579 views / 0 likes - added 9 years ago

Understanding the definition of a basis of a subspace More free lessons at: http://www.khanacademy.org/video?v=zntNi3-ybfQ
09:10
Vector Dot Product and Vector Length

558 views / 0 likes - added 9 years ago

Definitions of the vector dot product and vector length More free lessons at: http://www.khanacademy.org/video?v=WNuIhXo39_k
18:53
Linear Algebra: Vector Triangle Inequality

603 views / 0 likes - added 9 years ago

Proving the triangle inequality for vectors in Rn More free lessons at: http://www.khanacademy.org/video?v=PsNidCBr5II
25:11
Defining the angle between vectors

695 views / 0 likes - added 9 years ago

Introducing the idea of an angle between two vectors More free lessons at: http://www.khanacademy.org/video?v=5AWob_z74Ks
13:53
Defining a plane in R3 with a point and normal vector

687 views / 0 likes - added 9 years ago

Determining the equation for a plane in R3 using a point on the plane and a normal vector More free lessons at: http://www.khanacademy.org/video?v=UJxgcVaNTqY
21:10 Popular
Matrix Vector Products

709 views / 0 likes - added 9 years ago

Defining and understanding what it means to take the product of a matrix and a vector More free lessons at: http://www.khanacademy.org/video?v=7Mo4S2wyMg4
21:11
Visualizing a Column Space as a Plane in R3

663 views / 0 likes - added 9 years ago

Determining the planar equation for a column space in R3 More free lessons at: http://www.khanacademy.org/video?v=EGNlXtjYABw
16:37 Popular
im(T): Image of a Transformation

733 views / 0 likes - added 9 years ago

Showing that the image of a subspace under a transformation is also a subspace. Definition of the image of a Transformation. More free lessons at: http://www.khanacademy.org/video?v=hZ827mfh1Jo
05:23 Popular
Preimage of a set

816 views / 0 likes - added 9 years ago

Definition of preimage of a set More free lessons at: http://www.khanacademy.org/video?v=zVsGtU8lIWs
15:23 Popular
Preimage and Kernel Example

701 views / 0 likes - added 9 years ago

Example involving the preimage of a set under a transformation. Definition of kernel of a transformation. More free lessons at: http://www.khanacademy.org/video?v=6yrPU8rYOhs
15:09
Sums and Scalar Multiples of Linear Transformations

644 views / 0 likes - added 9 years ago

Sums and Scalar Multiples of Linear Transformations. Definitions of matrix addition and scalar multiplication. More free lessons at: http://www.khanacademy.org/video?v=wHuY97vss18
06:59
Unit Vectors

678 views / 0 likes - added 9 years ago

What unit vectors are and how to construct them More free lessons at: http://www.khanacademy.org/video?v=lQn7fksaDq0
14:37
Introduction to Projections

651 views / 0 likes - added 9 years ago

Determining the projection of a vector on s line More free lessons at: http://www.khanacademy.org/video?v=27vT-NWuw0M
16:41
Expressing a Projection on to a line as a Matrix Vector prod

662 views / 0 likes - added 9 years ago

Expressing a Projection on to a line as a Matrix Vector prod More free lessons at: http://www.khanacademy.org/video?v=JK-8XNIoAkI
16:31
Compositions of Linear Transformations 2

638 views / 0 likes - added 9 years ago

Providing the motivation for definition of matrix products More free lessons at: http://www.khanacademy.org/video?v=BuqcKpe5ZQs
22:41 Popular
Proof: Invertibility implies a unique solution to f(x)=y

724 views / 0 likes - added 9 years ago

Proof: Invertibility implies a unique solution to f(x)=y for all y in co-domain of f. More free lessons at: http://www.khanacademy.org/video?v=7GEUgRcnfVE
25:51
Determining whether a transformation is onto

622 views / 0 likes - added 9 years ago

Determining whether a transformation is onto More free lessons at: http://www.khanacademy.org/video?v=eR8vEdJTvd0
16:34 Popular
Linear Algebra: Exploring the solution set of Ax=b

1,847 views / 0 likes - added 9 years ago

Exploring the solution set of Ax=b (non homogeneous equations) More free lessons at: http://www.khanacademy.org/video?v=1PsNIzUJPkc
18:00
Linear Algebra: Deriving a method for determining inverses

629 views / 0 likes - added 9 years ago

Determining a method for constructing inverse transformation matrices More free lessons at: http://www.khanacademy.org/video?v=6DpzCKJBsz0
18:20
Linear Algebra: Formula for 2x2 inverse

674 views / 0 likes - added 9 years ago

Figuring out the formula for a 2x2 matrix. Defining the determinant. More free lessons at: http://www.khanacademy.org/video?v=eEUK_ThrHuQ
18:40
Linear Algebra: nxn Determinant

631 views / 0 likes - added 9 years ago

Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4
27:01 Popular
Lin Alg: Representing vectors in Rn using subspace members

1,094 views / 0 likes - added 9 years ago

Showing that any member of Rn can be represented as a unique sum of a vector in subspace V and a vector in the orthogonal complement of V. More free lessons at: http://www.khanacademy.org/video?v=M6lFqkqvUgo
03:27 Popular
Lin Alg: Orthogonal Complement of the Nullspace

732 views / 0 likes - added 9 years ago

The orthogonal complement of the nullspace and left nullspace. More free lessons at: http://www.khanacademy.org/video?v=LE_aQAur7nI
19:12 Popular
Lin Alg: Unique rowspace solution to Ax=b

725 views / 0 likes - added 9 years ago

Showing that, for any b that is in the column space of A, there is a unique member of the row space that is the "smallest" solution to Ax=b More free lessons at: http://www.khanacademy.org/video?v=czIYvs9zj2g
09:28
Linear Alg: Visualizing a projection onto a plane

662 views / 0 likes - added 9 years ago

Visualizing a projection onto a plane. Showing that the old and new definitions of projections aren't that different. More free lessons at: http://www.khanacademy.org/video?v=uWbZlJURkfA
09:19 Popular
Linear Algebra: Proof of formula for determining Eigenvalues

721 views / 0 likes - added 9 years ago

Proof of formula for determining Eigenvalues More free lessons at: http://www.khanacademy.org/video?v=rfm0wQObxjk
14:08
Linear Algebra: Eigenvalues of a 3x3 matrix

690 views / 0 likes - added 9 years ago

Determining the eigenvalues of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=11dNghWC4HI
15:31
Singapore Math: Grade 3a, Unit 1 (part 1)

493 views / 0 likes - added 9 years ago

Objectives: Read and write numbers less than 10,000. Relate each 4-digit number to its place value.
15:11
Singapore Math: Grade 3a Unit 1 (part 2)

491 views / 0 likes - added 9 years ago

Objectives: Read and write numbers less than 10,000. Relate each digit in a 4-digit number to its place value.
13:18
Singapore Math: Grade 3a, Unit 1 (part 3)

616 views / 0 likes - added 9 years ago

Objectives: Read and write numbers less than 10,000. Relate each digit in a 4-digit number to its place value. Compare and order numbers within 10,000.
12:24
Singapore Math: Grade 3a, Unit 1 (part 4)

459 views / 0 likes - added 9 years ago

More on place value
13:07
Singapore Math: Grade 3a, Unit 1 (part 5)

459 views / 0 likes - added 9 years ago

Even more on place value
15:44
Singapore Math: Grade 3a, Unit 1 (part 6)

475 views / 0 likes - added 9 years ago

Ordering numbers using place value
13:06
Singapore Math: Grade 3a, Unit 1 (part 7)

482 views / 0 likes - added 9 years ago

Place value, ordering numbers, number patterns
15:39
Singapore Math: Grade 3a, Unit 1 (part 8)

465 views / 0 likes - added 9 years ago

More on number patterns with place value.
17:53
Singapore Math: Grade 3a, Unit 1 (part 9)

491 views / 0 likes - added 9 years ago

More number patterns with place value
14:26
Singapore Math: Grade 3a Unit 2 (part 1)

602 views / 0 likes - added 9 years ago

The sum of and difference between 2 numbers.
13:07
Singapore Math: Grade 3a Unit 2 (part 2)

508 views / 0 likes - added 9 years ago

Word problem with cookies
09:57
Singapore Math: Grade 3a Unit 2 (part 3)

473 views / 0 likes - added 9 years ago

A man selling balloons at a carnival.
13:04
Singapore Math: Grade 3a Unit 2 (part 4)

450 views / 0 likes - added 9 years ago

Some more word problems
14:18
Singapore Math: Grade 3a Unit 2 (part 5)

494 views / 0 likes - added 9 years ago

Adding 4 digit numbers
13:54
Singapore Math: Grade 3a Unit 2 (part 6)

423 views / 0 likes - added 9 years ago

More adding of 4 digit numbers
12:13
Singapore Math: Grade 3a Unit 2 (part 7)

441 views / 0 likes - added 9 years ago

Even more adding of 4-digit numbers
15:02
Singapore Math: Grade 3a Unit 2 (part 8)

452 views / 0 likes - added 9 years ago

Subtracting 4-digit numbers
13:07
Singapore Math: Grade 3a Unit 2 (part 9)

499 views / 0 likes - added 9 years ago

More on subtracting 4-digit numbers
11:31
Singapore Math: Grade 3a Unit 2 (part 10)

584 views / 0 likes - added 9 years ago

Some final 4 digit subtraction problems.
12:16
Singapore Math: Grade 3a Unit 2 (part 11)

548 views / 0 likes - added 9 years ago

Some 2-step word problems.
05:30 Popular
Mega Millions Jackpot Probability

747 views / 0 likes - added 9 years ago

Probability of winning the Mega Millions jackpot More free lessons at: http://www.khanacademy.org/video?v=gyqodNhM3EU
15:43
Introduction to Gravity

669 views / 0 likes - added 9 years ago

Basics of gravity and the Law of Universal Gravitation More free lessons at: http://www.khanacademy.org/video?v=Xcel427Ezl0
09:58
Deriving Displacement as a Function of Time, Acceleration and Initial Velocity

498 views / 0 likes - added 9 years ago

Deriving displacement as a function of time, constant acceleration and initial velocity More free lessons at: http://www.khanacademy.org/video?v=wlB0x9W-qBU
07:09
Deriving Max Projectile Displacement Given Time

515 views / 0 likes - added 9 years ago

Deriving a formula for maximum projectile displacement as a function of elapsed time More free lessons at: http://www.khanacademy.org/video?v=P7LKEkcNibo
11:43 Popular
Impact Velocity From Given Height

749 views / 0 likes - added 9 years ago

Determining how fast something will be traveling upon impact when it is released from a given height More free lessons at: http://www.khanacademy.org/video?v=2ZgBJxT9pbU
09:47
Different Way to Determine Time in Air

645 views / 0 likes - added 9 years ago

Another way to determine time in the air given an initial vertical velocity More free lessons at: http://www.khanacademy.org/video?v=_NWc3C3cTNA
07:53
Total Final Velocity for Projectile

560 views / 0 likes - added 9 years ago

Calculating the total final velocity for a projectile landing at a different altitude (mistake near end: I write 29.03 when it should be 26.03 m/s and the final total magnitude should be 26.55 m/s 78.7 degrees below horizontal More free lessons at: http:/
07:58
Unit Vectors and Engineering Notation

492 views / 0 likes - added 9 years ago

Using unit vectors to represent the components of a vector More free lessons at: http://www.khanacademy.org/video?v=2QjdcVTgTTA
07:21
Intuition on Static and Kinetic Friction Comparisons

542 views / 0 likes - added 9 years ago

Why static friction is harder to overcome than kinetic friction More free lessons at: http://www.khanacademy.org/video?v=J9BWNiOSGlc
09:33
2-dimensional momentum problem (part 2)

557 views / 0 likes - added 9 years ago

We finish the 2-dimensional momentum problem More free lessons at: http://www.khanacademy.org/video?v=leudxqivIJI
10:02
Introduction to mechanical advantage

615 views / 0 likes - added 9 years ago

Introduction to simple machines, mechanical advantage and moments. More free lessons at: http://www.khanacademy.org/video?v=pfzJ-z5Ij48
06:50
Mechanical Advantage (part 2)

560 views / 0 likes - added 9 years ago

More on mechanical advantage, levers and moments. More free lessons at: http://www.khanacademy.org/video?v=DiBXxWBrV24
10:35
Mechanical Advantage (part 3)

496 views / 0 likes - added 9 years ago

Introduction to pulleys and wedges More free lessons at: http://www.khanacademy.org/video?v=vSsK7Rfa3yA
09:54
Unit Vector Notation

545 views / 0 likes - added 9 years ago

Expressing a vector as the scaled sum of unit vectors More free lessons at: http://www.khanacademy.org/video?v=FaF3v-ezbSk
09:13 Popular
Unit Vector Notation (part 2)

1,756 views / 0 likes - added 9 years ago

More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the head-to-tail method More free lessons at: http://www.khanacademy.org/video?v=595Tiga1gIg
03:01
Loop De Loop Question

650 views / 0 likes - added 9 years ago

Asks students to find the minimum speed necessary to complete the loop de loop More free lessons at: http://www.khanacademy.org/video?v=wjZb3zPuoeA
06:05
Loop De Loop Answer part 1

571 views / 0 likes - added 9 years ago

Figuring out the minimum speed at the top of the loop de loop to stay on the track More free lessons at: http://www.khanacademy.org/video?v=4SQDybFjhRE
10:04
Introduction to Harmonic Motion

468 views / 0 likes - added 9 years ago

Intuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q-_jkJVs
09:46
Harmonic Motion Part 2 (calculus)

548 views / 0 likes - added 9 years ago

We test whether Acos(wt) can describe the motion of the mass on a spring by substituting into the differential equation F=-kx More free lessons at: http://www.khanacademy.org/video?v=xoUppFlif04
09:44
Harmonic Motion Part 3 (no calculus)

549 views / 0 likes - added 9 years ago

Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. More free lessons at: http://www.khanacademy.org/video?v=oqBHBO8cqLI
10:08
Fluids (part 8)

464 views / 0 likes - added 9 years ago

Beginning of the proof of Bernoulli's Equation. More free lessons at: http://www.khanacademy.org/video?v=uqyLOuAzbvo
10:09
Fluids (part 9)

551 views / 0 likes - added 9 years ago

Second part of the Bernoulli's Equation proof. Beginning of a problem that uses the equation. More free lessons at: http://www.khanacademy.org/video?v=QX2YLR09Q78
10:14
Thermodynamics (part 4)

463 views / 0 likes - added 9 years ago

Introduction to the concept of a mole. Universal gas constant R. PV=nRT More free lessons at: http://www.khanacademy.org/video?v=5B1i26dUwME
13:27 Popular
Proof (Advanced): Field from infinite plate (part 1)

787 views / 0 likes - added 9 years ago

Electric field generated by a uniformly charged, infinite plate More free lessons at: http://www.khanacademy.org/video?v=prLfVucoxpw

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