A swimmer crosses the river along the line making an angle 45 degree with the direction of flow of river. if velocity of river is 5m/s and time taken by him is 12
seconds to cross width of river 60m. then find the velocity of swimmer w.r.t. to river
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as we knos speed =distance/time then velocity of man becomes 60/12=5 and velocity of man wrt river becomes zero
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