Q 1652478334.     A plumb bob is hanging from the ceiling of car. If the car move with acceleration a, the angle made by the string with the vertical is

MHCET 2012
A

`\tan^{-1} (\frac {a}{g})`

B

`\tan^{-1} (\frac {g}{a} )`

C

`\cos^{-1} (\frac {a}{g} )`

D

`\cos^{-1} (\frac {g}{a})`

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