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QUESTION

a boy projects a box of mass 4kg on a horizontal floor 2m/s.

a boy projects a box of mass 4kg on a horizontal floor 2m/s. if the box travels 3m beforecoming to rest, calculate the retarding force, the coefficent of sliding friction between the box and floor, the initial speed the box will have if he wants the box to travel 5m before coming to rest

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