A crate having a mass M falls horizontally off the back of a truck which is traveling with speed v. Determine the coefficient of kinetic friction between the road and the crate if the crate slides a distance d on the ground with no tumbling along the road before coming to rest. Assume that the initial speed of the crate along the road is v. Given:

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M = 60 kg d = 45 m V v = 80 km hr 8 = 9.81 m 2 S