A boy wishes to row across a river in the shortest possible
A boy wishes to row across a river in the shortest possible time. He can row at 2 m/s in still water and the river is flowing at 1 m/s. Find at what angle theta should he point the bow (front) of his boat?
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an electron has a speed of 06 ca discover the speed of a proton that has the same kinetic energy as the electronb
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a boy wishes to row across a river in the shortest possible time he can row at 2 ms in still water and the river is
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