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n the figure below of a block of ice slides down a frictionless ramp at an angle Q=50 while an ice worker pulls on the block (via rope) with a force

n the figure below of a block of ice slides down a frictionless ramp at an angle Q=50 while an ice worker pulls on the block (via rope) with a force Fr that has a magnitude of 50 N and is directed up the ramp. as th block slides through distance d=0.50m along the ramp its kinetic energy increases by 80 J.how much greater would its kinetic energy have been if the rope had not been attached to the block?

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