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When it is raining vertically down, to a...

When it is raining vertically down, to a man walking on road the velocity of rain appears to be `1.5 times` his velocity.To protect himself from rain he should hold the umbrealla at an angle `theta` to vertical. The `tan theta=`

A

`2/sqrt5`

B

`sqrt5/2`

C

`2/3`

D

`3/2`

Text Solution

Verified by Experts

The correct Answer is:
A
`vecv_(Rm)=1.5v_(m)`, `tan theta=v_(m)/v_(R)`
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