A swimmer wants to cross a river, from point A to point B. The distance (from A to C) is 200 m, the distance (from C to B) is 150 m, and the speed of the current in the river is 5 km/h. Suppose that the swimmer makes an angle of (0.785 radians) with respect to the line from A to C, as indicated in the figure.(adsbygoogle = window.adsbygoogle || []).push({});

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