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A small sphere is suspended by a stirng ...

A small sphere is suspended by a stirng from the celling of a car. If the car begins to move with a constant accelration a, the inclination of the string to the vertical is:-

A

`tan^(-1) g//a`

B

`tan^(-1) a//g`

C

`sin^(-1)` g/a

D

`sin^(-1)` a/g

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The correct Answer is:
B
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