Automobile Driver Traveling Down And 8 Grade Slams On His

An automobile driver traveling down and 8% grade slams on his brakes and skids 30 m before hitting a parked car. A lawyer hires an expert who measures the coefficient of kinetic friction between the tires and road to be μk = 0.45. Is the lawyer correct to accuse the driver of exceeding the 25-MPH speed limit? Explain.

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