A disk (I = 1⁄2 MR2) and a hoop (I = MR2) of the same mass and radius are released at the same time at the top of an inclined plane and allowed to roll without slipping to the bottom.
a) The hoop always wins.
b) The disk always wins
c) The hoop wins as often as the disk
d) Both reach the bottom at the same time.
e) Insuffient information to answer.
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