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A 1400 kg car driving at 25 m/s slams on its brakes. The coefficient of kinetic friction between the tires and the road 0.7.

A 1400 kg car driving at 25 m/s slams on its brakes. The coefficient of kinetic friction between the tires and the road 0.7. What is the magnitude and direction of the acceleration of the car? Bonus: how long does it take the car to stop?

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