Asked by David

An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity?

a. 4 rad/s
b. 2 rad/s
c. 2.8 rad/s
d. 8 rad/s

The answer must be A then right.

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