The front 1.20 m of a 1600 kg car is designed as a "crumple zone " that collapses to absorb the shock of a collision. 1.if a car traveling 28.0 m/so stops uniformly in 1.20 m, how long does the collision last? 2. what is the magnitude of the average force on the car?____N 3. what is the magnitude of the acceleration of the car? express the acceleration as a multiple of acceleration of gravity?
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