A man wishes to cross a river of width by motorboat
PHYSICS · Multi-part · CBSE · Physics · Motion in a Plane · Motion in a Plane
Problem
A man wishes to cross a river of width 120m by motorboat. His speed in still water is 3m/s and his maximum walking speed is 1m/s. The river flows at 4m/s.
(1) Find the path he should take to reach the point directly opposite his starting point in the shortest time.
(2) Find the time taken to reach his destination.