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A two passengers are riding in a car (total mass of 1215 kg) at a speed...

A two passengers are riding in a car (total mass of 1215 kg) at a speed of 13.3 m/s. At time t=0 s, they apply the brakes reducing the speed to 6.4 m/s in 22.5 m. If the braking force is constant, what is the magnitude of the braking force?

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