Physics

A 55.0 kg ice skater is moving at 4.04 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.795 m around the pole.
(a) Determine the force exerted by the horizontal rope on her arms.

(b) Compare this force with her weight by finding the ratio of the force to her weight.

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asked by Dani
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