Physics, 30.07.2021 16:00 crystalclear99

A boat from A crosses a 200 m wide river at a constant speed of 4 m/s with respect to the water flowing at a uniform speed of 1 m/s. Destination B is 80 m upstream from H, a point directly opposites A. (a) In what direction must the boat be pointed to travel from A to B?
(b) How long will the boat take to cross the river?

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A boat from A crosses a 200 m wide river at a constant speed of 4 m/s with respect to the water flow...