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July 24, 2014

Homework Help: Physics

Posted by Kim on Monday, December 12, 2011 at 9:32am.

Sally Skier skiis down a rough ice covered 10.0 m high incline into a smooth bowl of radius 4.0 m. Sally starts her descent with a speed of 3.0 m/s at the top of the hill and arrives at the bottom of the bowl (point B) with a speed of 10.3 m/s. Sally has a mass of 65.0 kg.
a. Calculate the work done by friction during Sally’s descent.
b. What is Sally’s apparent weight at the bottom of the bowl?

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