day a boat can go across a lake and return in time T at a

Last updated: 6/14/2023

day a boat can go across a lake and return in time T at a speed V On a rough day there is uniform current at speed v to help the onward journey and impede the return journey If the time taken to go across and return on the rough day be T then T T is a 1 c 1 V V2 b d