23 Three ships A B C are in motion The motion of A as seen

Last updated: 6/10/2023

23 Three ships A B C are in motion The motion of A as seen by B is with speed v towards north east The motion of B as seen by C is with speed v towards the north west Then as seen by A C will be moving towards 1 north 2 south 3 cast 4 west A man wishes to cross a river in a boat If he crosses the river in minimum time he takes 24