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 3Kmhr
Velocity just greater than 0Kmhr
Velocity Just greater than 3Kmhr
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.
River is flowing at 3 Km/h in the west direction and You can swim at a maximum speed of 5 Km/h , Given if the river is 12 km wide, How long will you take to cross the river?