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A block of mass m is being slid down along a frictionless wall by a known applied force A that makes an angle 0

A block of mass m is being slid down along a frictionless wall by a known applied force A that makes an angle 0 with the vertical, as illustrated. If the block starts from rest, use the work-energy theorem to determine how fast the block will be moving once it has been pushed a distance D down the wall?

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