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A man wishes to swim across a river 0.5k...

A man wishes to swim across a river 0.5km. wide if he can swim at the rate of 2 km/h. in still water and the river flows at the rate of 1km/h. The angle (w.r.t. the flow of the river) along which he should swin so as to reach a point exactly oppposite his starting point, should be:-

A

`60^(@)`

B

`120^(@)`

C

`145^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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