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Question: A cyclist competes in a one-lap race around a flat, circular course of radius 140 . Starting from rest and speeding up at a constant rate throughout the race, the cyclist covers the entire course in 60 . The mass of the bicycle (including the rider) is 76 .

a) What is the magnitude of the net force acting on the bicycle as it crosses the finish line?

b) Find , the magnitude of the net force acting on the cyclist at the finish line.

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