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Posted: **Thu Jul 07, 2022 2:13 pm**

: An Athlete Crosses A 21 7 M Wide River By Swimming Perpendicular To The Water Current At A Speed Of 0 4 M S Relative To 1 (16.62 KiB) Viewed 61 times

An athlete crosses a 21.7 m wide river by swimming perpendicular to the water current at a speed of 0.4 m/s relative to the water. He reaches the opposite side at a distance of 31.2 m downstream from his starting point. How fast is the water in the river flowing with respect to the ground?