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March 24, 2017

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A test car with a dummy driver of mass 60 kg was propelled towards a rigid wall. If the speed of the dummy driver just before impact was 40m/s and the time between the collision and the dummy coming to the rest was 0.10 s, calculate: (i) the average retardation of the dummy driver during impact and (ii) the average force acting on the dummy driver due to the impact.

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