Question

A swimmer capable of swimming with velocity v relative to water jumps in a flowing river having velocity u. The man swims a distance d downstream and returns back to the original position.Find out the time taken in complete motion

Answer 1

Explanation:

as we all know that the question contains velocity and motion.....so I hope you will get your answer in all in one book.....

thanks....

Answer 2

Answer:

T=2d/v

Explanation:

Given that

Relative velocity of water with respect to water =v

Lets time taken by swimmer when it goes downward =t

We know that

Distance = Velocity x time

d= t x v

t= d/v

In upward direction also swimmer have relative velocity =v

Lets time taken by swimmer when itr goes upward = t'

d= v x t'

t'=d/v

Total time = t+ t'

T=  d/v+ d/v

T=2d/v

SO the total time is 2d/v s.