From what height did the student fall

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Reference no: EM1391190

Q. A student (m = 60 kg) falls freely from rest and strikes the ground. All through the impact with the ground, he comes to rest in a time of 0.04s. The average force exerted on him by the ground is +18000N, where the upward direction is taken to be positive direction. From what height did the student fall? Suppose that the only force acting on him all through the impact is that because of the ground.

Reference no: EM1391190

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