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Timer Notes Evaluate Feedback Print Info stands on a platform that is rotating hrw8c11p43 A...

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Timer Notes Evaluate Feedback Print Info stands on a platform that is rotating hrw8c11p43 A man stands on a platform that is rotating without friction with an angular speed of 1 4 rev s his arms are outreached and he holds a weight in each hand The otational inertia of the system of man weights and platform about the central axis is 16 00 kg m If by moving the weights the man decreases the rotational inertia of the system to 7 68 kg m what is the resulting angular speed of the platform rad s 2 92 rad s T Submit Answer Incorrect Tries 1 10 Previous Tries What is the ratio of the new kinetic energy of the system to the original kinetic energy Submit Answer Tries 0 10 What provided the added kinetic energy Ofriction O muscles Obrainwaves Oplatform gravity

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