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Physics, 06.03.2020 22:45 kim643

A block of mass m, initially held at rest on a frictionless ramp a vertical distance H above the floor, slides down the ramp and onto a floor where friction causes it to stop a distance D from the bottom of the ramp. The coefficient of kinetic friction between the box and the floor is ?k.
What is the macroscopic work done on the block by all forces during this process?

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