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A 30-kg crate starts from rest, slides down a frictionless incline and then along a rough...

A 30-kg crate starts from rest, slides down a frictionless incline and then along a rough horizontal surface until it comes to rest. The coefficient of kinetic friction between the horizontal surface and the crate is 0.27. If the crate’s initial height is 9 m, find the distance it travels on the horizontal surface.

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