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Question: You are helping your friend by pushing a 50.0 kg soar up the ramp that leads to the moving truck. You push the sofa up 2 meters along the ramp, with a force of 600 N in a direction parallel to the ramp, which is at a 30 degree inline. The coefficient of kinetic friction between the sofa and the ramp is 0.45.

A- You accidentally let go of the sofa, and it starts sliding down the ramp. How fast is the sofa moving after sliding back down the 2 meters?

Please show all work and clearly explain how fast the sofa is moving.

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