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Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern

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Channel: Physics Girl
Categories: Physics   |   Science  
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Description

Lesson 17 (Waves, Light, and Sound) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you!

Exercises in this video:
1. You measure an oscillating wave to have a wavelength of .5m and a frequency of .5Hz. What is the speed of the wave in that medium? What would the wavelength of a wave with frequency 2.5Hz be?

2. You tune your car radio to your favorite station, 93.5 on the dial. Thats a frequency of 93.5MHz. What is the wavelength of that radio wave?

3. At sea level, the speed of sound in air is around 343m/s. The speed of light in air is about 3.00x10^8m/s. If you are watching a rocket launch 11km away, what will be the difference between the time you see the launch and the time you hear it?


Credits:
Dianna Cowern - Executive Producer/Host/Writer
Jeff Brock - Lead Writer/Course Designer
Laura Chernikoff - Producer
Rachel Watson - Video Editor
AP Curriculum Consultant - Bryn Bishop
Sophia Chen - Researcher/Writer
Erika K. Carlson - Researcher/Writer
Hope Butner - Production Assistant
Levi Butner - Videographer
Lauren Ivy - Set Design
Vanessa Hill - Consulting Producer
Aleeza McCant - Illustrator
Rachel Allen - Illustrator
Consultant - Kyle Kitzmiller
Lucy Brock, Samantha Ward - Curriculum Consultants
Cathy Cowern - Transcription

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