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Rain, driven by the wind, falls on a rai...

Rain, driven by the wind, falls on a railway compartment with a velocity of `20 ms^-1`, at an angle of `30^@` to the vertical. The train moves, along the direction of wind flow, at a speed of `108 km h^-1`. Determine the apparent velocity of rain for a person sitting in the train.

A

`20sqrt(7) ms^(-1)`

B

`10sqrt(7) ms^(-1)`

C

`15sqrt(7) ms^(-1)`

D

`10sqrt(7) km h^(-1)`

Text Solution

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The correct Answer is:
B
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