- A swimmer can swim in still water with a speed of 15 m/s.
While crossing a river his average speed is 3 m/s. If he
crosses the river in the shortest possible time, what is the
speed of flow of water?
(a) 2m/s
(b) 4 m/s
(c) 6 m/s
(d) 8 m/s
Answers
Answered by
1
Answer:
a.2
Explanation:
explanation is in above image
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Answered by
0
Answer:
2m/s
Explanation:
a is correct answer
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