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May 24, 2015

Homework Help: Physics

Posted by Linda on Wednesday, November 10, 2010 at 1:49pm.

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 51 km/h (32 mph). A new model of mass 1900 kg takes 0.18 s from the time of impact until it is brought to rest.

Calculate the average force exerted on the car by the barrier.

Calculate the average deceleration of the car.

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