1. You are a design engineer in charge of the crashworthiness of new automobile models. Cars
are tested by smashing them into fixed massive barriers at 50 km/h. A new model of mass
1500 kg takes 0.15 s from the time of impact until it is brought to rest. (a) Calculate the
average force exerted on the car by the barrier. (b) Calculate the average deceleration of the
car.
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THE EVERY DECELERATION OF THE CAR IS 92.6M OR SECOND SQUARE
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