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In a system, when potential energy decreases, then entropy also decreases. true false
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You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30β above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move
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An object is kept at 45 m high and how much time will it take to reach the ground
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A student walks 6 meters due east and then walks 10 meters due west from the history room to the rea...
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