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A car on a flat circular track with a radius of 1.00km completes a circuit every...

A car on a flat circular track with a radius of 1.00km completes a circuit every 100.0s. (a) What is the speed of the car in mph? (b) What is the centripetal acceleration of the car in m/s2? (c) On a rainy day, the car is traveling around the track with faster and faster speed. At 72.4 mph the car loses control and slides off the track. What is the coefficient of static friction?

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