Repeat Problem 43, but now assume the person is holding a 5.0-kg mass in each hand. Data

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Repeat Problem 43, but now assume the person is holding a 5.0-kg mass in each hand.

Data from Problem 43

Consider a person who is sitting on a friction less rotating stool as in Figure P9.43. The person initially has his arms outstretched and is rotating with an angular speed of 5.0 rad/s. He then pulls his arms close to his body.

Concerned with the magnitude of the angular momentum, not its sign.

Figure P9.43

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Question Posted: Jan 22, 2019 09:43 AM

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Repeat Problem 43, but now assume the person is holding a 5.0-kg mass in each hand. Data

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Wi Wf Initial position Final position

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The angular momentum of this system remains constant because there are no external torques No sketch ...View the full answer

College Physics Reasoning and Relationships

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