A person stands, hands at their side, on a platform that is rotating at a rate of 1.50 rev/sec. When they raise their hands to a horizontal position, the rate of rotation decreases to 0.70 rev/sec. By what factor has their moment of inertia changed going from hands at side to hands outstretched?
a. 2.14
b. 1.05
c. 0.467
d. None
Answers: 1
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A person stands, hands at their side, on a platform that is rotating at a rate of 1.50 rev/sec. When...
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