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A 1200-kg trailer is hitched to a 1400-kg car. The car and trailer are traveling at 72 km/h when the driver applies the brakes on both the car and the trailer. Knowing that the braking forces exerted on the car and the trailer are 5000 N and 4000 N, respectively,
Determine
(a) The distance traveled by the car and trailer before they come to a stop,
(b) The horizontal component of the force exerted by the trailer hitch on the car. |
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