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September 19, 2014

Homework Help: physics

Posted by steph on Monday, November 8, 2010 at 5:10pm.

A 56.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.00 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically makes up about 1.25 of body weight.

A.What horizontal force must her wrist exert on her hand? (N)

B.Express the force in part (a) as a multiple of the weight of her hand. (w)

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