A Girl Wishes to Swim Across a River to a Point

Multiple Choice

A girl wishes to swim across a river to a point directly opposite as shown. She can swim at 2 m/s in still water and the river is flowing at 1 m/s. At what angle
$\theta$
with respect to the line joining the starting and finishing points should she swim?

A) 30


B) 45
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C) 60
11eeda0e_7689_70b2_a0ba_4157d7887919_TB3150_11

D) 63
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E) 90
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