A man who can swim at a speed v relative to the water wants

Last updated: 6/12/2023

A man who can swim at a speed v relative to the water wants to cross a river of width d flowing with a speed u The point opposite him across the river is P A The minimum time in which he can cross the river is d v B He can reach the point P in time d vif u v C If ifu v he can reach the point P in time D He cannot reach P if u v d