A boat which is moving downstream passes a raft and moves 10

Last updated: 6/13/2023

A boat which is moving downstream passes a raft and moves 10 km ahead of raft in next one hour and then return upstream with same speed relative to river and meets the raft after the raft has moved 10 km If the same boat wishe to cross the river without any drift then the angle boat should row with stream velocity is tan 2 B KIN tan 1 2 C sin D 120