Please solve the problem. Share with your friends Share 0 Vipra Mishra answered this Dear Student Here velocity of swimmer in still water is vVelocity of water is vw from west to eastMan is at southern bank of river and he wants to go to the Northern bankSo for shortest possible path swimmer need to swim in the direction θSinθ =vwvθ =sin-1vwvNow time taken by swimmer to reach to northern bankt =dvcosθ Here d is width of riverFor minimum / shortest time cos θ = 1 (maximum)Hence θ = 0Hence man need to travel in North direction Regards 0 View Full Answer