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A Diver Can Reduce Her Moment of Inertia by a Factor

Question 43

Multiple Choice

A diver can reduce her moment of inertia by a factor of about 3.14 when changing from the straight position to the tuck position. If she makes 3.0 rotations in 2.0 s when in the tuck position, her angular speed when in the straight position is


A) 0.48 rad/s.
B) 0.52 rad/s.
C) 3.0 rad/s.
D) 4.7 rad/s.
E) 30 rad/s.

Correct Answer:

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