4. A volleyball player's 3.7-kg arm moves at an average angular velocity of 15 rad/s during the execution of a spike. If the average moment of inertia of the extending arm is 0.45 kg m², what is the average radius of gyration for the arm during the spike?
4. A volleyball player's 3.7-kg arm moves at an average angular velocity of 15 rad/s during the execution of a spike. If the average moment of inertia of the extending arm is 0.45 kg m², what is the average radius of gyration for the arm during the spike?
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Transcribed Image Text:4. A volleyball player's 3.7-kg arm moves at an average angular velocity of 15 rad/s during the
execution of a spike. If the average moment of inertia of the extending arm is 0.45 kg m²,
what is the average radius of gyration for the arm during the spike?
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