a person is Standing on a platform rotating with an angular speed w with stretched hands carrying equal masses each of m. Now he releases the masses such that they fall on the platform. The new angular velocity of platform would be
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whats the axis of rotation? if the axis pass through the center of his body then pulling his arms closer to his body will increase his angular speed, and if the platform is more like a merry go round then if the movement of his hands brings the weight closer to the center than also his angular speed will increase.
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