A river 200m wide is flowing at the rate of 1 km/he. A swimmer who can swim at the rate of 2 km/he wants to reach a point just opposite to his starting point. In what time the swimmer will cross the river?
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Answer:
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Explanation:
Time taken by the swimmer to cross the river=t=
1
200
=200sec
In that time horizontal shift of the swimmer =Drift =D=200×2=400m
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