Which Will Be First? (Rolling Down an Incline) - (5:52)
A hollow sphere, solid sphere, and thin hoop are simultaneously released from rest at the top of an #incline. Which will reach the bottom first? Assume all objects are of uniform density.
This is an AP Physics 1 Topic.

Content Times:
0:12 The problem
0:46 #ConservationOfEnergy
2:22 General solution
3:55 The order of the objects
5:20 The demonstration
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  • Thank you to Jonathan Sullivan-Wood for transcribing the English subtitles of this video.
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