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a 50kg block is pushed 40m up an inclined plane that makes an angle of 35...

a 50kg block is pushed 40m up an inclined plane that makes an angle of 35 degrees with the horizontal by a constant force or 400N acting parallel to the plane. the coefficient of kinetic friction between the block and the inclined plane is .25. a) how much work is done by the 400N force? b) what is the increase of the potential energy of the block? c) what work is friction doing? d) what is the increase in the kinetic energy of the block? e) what is the velocity of the block at the top of the incline?

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