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A car is moving in a circular horizonta ...

A car is moving in a circular horizonta track of radius 10m with a constant speed of 10 m/s. A pendulum bob is suspended from the roof of the cat by a light rigid rod of length 1.00m. The angle made by the rod with track is

A

Zero

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
If angle of banking is `theta`, then
`"tan" theta=(mv^(2)//r)/(mg)`
`rArr tan theta=(v^(2))/(rg)`
`rArr tan theta=((10)^(2))/(10xx10)=1`
`rArr theta=45^(@)`
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