A man crosses a river in a boat. If he crosses the river in minimum time he takes10 minutes with a drift 120m. If he crosses the river taking shortest path, he take 12.5 minute :( Assume v_(b//r) gt v_(r))

A man crosses a river in a boat. If he crosses the river in minimum ti

1.	A man crosses a river in a boat. If he crosses the river in minimum time he takes10 minutes with a drift 120m. If he crosses the river taking shortest path, he take 12.5 minute :( Assume v_(b//r) gt v_(r))
Answer» WIDTH of the river is 200 m velocity of the boat with RESPECT to water 12 m/min speed of the CURRENT 20 m/min velocity of the boat with respect to water 20 m/min Answer :A::D