A river of width 31 m flows in a straight line the x, Ask an Expert

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A river of width 31 m flows in a straight line (the x direction) with a speed of 0.21 m/s. A boat is rowed such that it travels directly across the river (along y). If the boat takes exactly 3.0 minutes to cross the river, what is the speed of the boat relative to the water?

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