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# Uniform Circular Motion and Centripetal Acceleration

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A car with a constant speed of 83.0 km/h enters a circular flat curve with a radius of curvature of 0.400 km. If the friction between the road and the car's tires can supply a centripetal acceleration of 1.25 m/s^2, does the car negotiate the curve safely? Justify the answer.

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The expert examines uniform circular motion and centripetal acceleration.

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v = 83 kmph = 83*5/18 m/s = 23.055 m/s
r = 0.400 km = 400 m
Centripetal ...

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