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A rowboat crosses a river with a velocity of 3.45 mi/h at an angle 62.5° north of west relative to the water. The river is 0.705 mi wide and carries an eastward current of 1.25 mi/h. How far upstream is the boat when it reaches the opposite shore?
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Question: A point charge is released from rest in a region containing an electric field. The charge will start to move: (A) in a direction that makes its potential energy increase (B) in a direction that makes its potent ...
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