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A bird is flying in the air. To take a t...

A bird is flying in the air. To take a turn in the horizontal plane of radius R=10 m with the velocity v=10 m/s at what angle it should bend with the horizontal.

A

`30^(@)`

B

`15^(@)`

C

`60^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
`F cos theta=mg`
`F sin theta=(mv^(2))/R`
`rArr tan theta=(v^(2))/(Rg)`
`theta=tan^(-1).(v^(2))/(Rg)`
`theta=45^(@)`
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