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If a swimmer having swimming capacity 40 m per second and river flow is 20m /sec onds crosses 80m wide river and he drifts and after reaching opposite bank he runs on bank with 40m per second velocity to reach exactly upto opposite point from where he start swimming. Find total time to reach final position If a swimmer having swimming capacity 40 m per second and river flow is 20m /sec onds crosses 80m wide river and he drifts and after reaching opposite bank he runs on bank with 40m per second velocity to reach exactly upto opposite point from where he start swimming. Find total time to reach final position
Dear student,Time taken to cross the river=Drift of the swimmer along the river in this time=Hence time taken by man to reach the final point with speed 40m/s isHence total time =2s+1s=3s
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