What is the minimum speed I need to cross the river which is flowing in the west direction at 3 Km/hr? Beware of the crocodiles.
Exactly
Velocity just greater than
Velocity Just greater than
I don't know
What direction must you swim at to cross the river in minimum time given the crocodiles have left and your maximum velocity is 5Kmhr and the velocity of river is 3Kmhr in the west direction.