The driver of a motorboat that can move at 10 m/s in still water wishes to travel directly
across a river in which the current flows at 5.0 m/s.
(a) At what angle, measured from the upstream direction, should the driver head the
boat?
(b) How many minutes will it take to cross the river if it is 1.6 km wide at that point?

Question

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The Answer of The driver of a motorboat that can move at 10 m/s in still water wishes to travel directly
across a river in which the current flows at 5.0 m/s.
(a) At what angle, measured from the upstream direction, should the driver head the
boat?
(b) How many minutes will it take to cross the river if it is 1.6 km wide at that point?

The Driver of a Motorboat That Can Move at 10