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A fisherman wishes to cross the river 1 km in width in which the current is...

A fisherman wishes to cross the river 1 km in width in which the current is 5 km/h toward the north. The fisherman is on the West Bank. His boat is propelled with a speed of 4 km/h relative to the water. (A) in what direction should he had in order to make the Crossing in the minimum time?(b) how long will the Crossing take?(c) determine the velocity of the boat with respect to a stationary observer.(d) determine the final downstream displacement.

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Answer #1

soll! It u=5km/h i visino voso given u= 5 km/h. v=4km/h let Fisherman moves this d=1km. boat (poo pelled) making an angle & a

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