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Q. Starting from rest, a 98-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 800 N, and his speed at the bottom of the pole is 3.2 m/s. How far did he slide down the pole?

Q. Boat A negotiates a curve whose radius is 300 m. Boat B negotiates a curve whose radius is 120 m. Each boat experiences the same centripetal acceleration. What is the ratio of the speed of boat A to that of boat B?

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