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03-23-2008, 11:39 AM
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| plz help me w/ physics!!!!? A 5.0 kg block is pushed 3.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 30.0 degrees with the horizontal, as shown at right. If the coefficient of kinetic friction between the block and the wall is 0.30, determine the following: a) the work done by the force on the block b) the work done by gravity on the block c) the magnitude of the normal force bewteen the block and the wall      |
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