You are the design engineer in charge of the crashworthiness of new

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03-29-2008, 11:57 AM

I dunno

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You are the design engineer in charge of the crashworthiness of new

automobile models. Cars are tested by smas You are the 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 (30 mph). A new model of mass 1200 kg takes 0.12 s from the time of impact until it is brought to rest. (Take the positive direction to be the original direction of motion.)
(a) Calculate the average force exerted on the car by the barrier.
N
(b) Calculate the average deceleration of the car.
m/s2

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