A man can swim at a speed of 3km/hr in still water. He wants to cross a 500m wide river flowing at 2km/hr. He keeps himself always at an angle of 120¡ãwith the water flow while swimming.

Question

A man can swim at a speed of 3km/hr in still water. He wants to cross a 500m wide river flowing at 2km/hr. He keeps himself always at an angle of 120¡ãwith the water flow while swimming.
Find
(A) The time he takes to cross the river
(B) The point on the opposite bank where he will arrive

bobpursley · Answer

120 degrees measured from what reference?

Anonymous · Answer

6 min