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torque platform A friend starts him rotating with an initial rotational speed as shown on...

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Physics

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torque platform A friend starts him rotating with an initial rotational speed as shown on the left part of the figure When the man pulls the heavy masses in close to his axis of rotation as shown on the right part of the figure his rotational speed increases by a factor of two In order to conserve his rotational momentum for the right part of the figure his rotational inertia must have 2015 Pon Education Inc 3 3 a decreased to one half of the initial value on the left b decreased to one third the initial value on the left c remained the same d increased to double the initial value on the left e increased to three times the initial value on the left

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