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Question: simon is swimming perpendicularly to the river bank at a...

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Simon is swimming perpendicularly to the river bank, at a speed of 2 m/s while the river flows at 7.2 km/h. The river has a width of 25 m.

 

a) How much time will he take to cross the river?

b) How far will he need to walk on the other side to arrive exactly opposite the starting point?

c) What projection angle should he swim at to arrive exactly opposite the starting point? 

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