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A small mass is suspended by a string fr...

A small mass is suspended by a string from the ceiling of a car. As the car accelerates with an acceleration a horizontal road, the angle made by the string with 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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