urQCmMiHKQk.jpg

How Long To Fall Through The Earth?

Thanks to Audible.com for supporting this video: http://www.audible.com/minutephysics

Thanks to everyone who supports MinutePhysics on Patreon! <a href="http://www.patreon.com/minutephysics" target=”_blank” rel=”nofollow”>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

Comments

comments

Leave a Reply

Your email address will not be published. Required fields are marked *