How Long To Fall Through The Earth?
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Thanks to Audible.com for supporting this video: http://www.audible.com/minutephysics
Original video collaboration with Vsauce: https://www.youtube.com/watch?v=jN-FfJKgis8
Thanks to everyone who supports MinutePhysics on Patreon! http://www.patreon.com/minutephysics
Link to Patreon supporters here: http://www.minutephysics.com/supporters.html
Music by Nathaniel Schroeder, http://www.soundcloud.com/drschroeder
REFERENCES
Gravity & Spherical Shells: http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/sphshell.html
More Shell Theorem: https://en.wikipedia.org/wiki/Shell_theorem
Density inside the earth (Preliminary Reference Earth Model): https://en.wikipedia.org/wiki/File:RadialDensityPREM.jpg
Gravitational acceleration inside the earth: https://en.wikipedia.org/wiki/File:EarthGravityPREM.jpg
MinutePhysics is on Google+ - http://bit.ly/qzEwc6
And facebook - http://facebook.com/minutephysics
And twitter - @minutephysics
Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!
Created by Henry Reich
Original video collaboration with Vsauce: https://www.youtube.com/watch?v=jN-FfJKgis8
Thanks to everyone who supports MinutePhysics on Patreon! http://www.patreon.com/minutephysics
Link to Patreon supporters here: http://www.minutephysics.com/supporters.html
Music by Nathaniel Schroeder, http://www.soundcloud.com/drschroeder
REFERENCES
Gravity & Spherical Shells: http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/sphshell.html
More Shell Theorem: https://en.wikipedia.org/wiki/Shell_theorem
Density inside the earth (Preliminary Reference Earth Model): https://en.wikipedia.org/wiki/File:RadialDensityPREM.jpg
Gravitational acceleration inside the earth: https://en.wikipedia.org/wiki/File:EarthGravityPREM.jpg
MinutePhysics is on Google+ - http://bit.ly/qzEwc6
And facebook - http://facebook.com/minutephysics
And twitter - @minutephysics
Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!
Created by Henry Reich
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- Cindy7872 AJ Added Confusing