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A simple pendulum is suspended from the ...

A simple pendulum is suspended from the roof of a trolley which moves in a horizontal direction with an acceleration `alpha`, then the time period is given by `T = 2pisqrt(((I)/(T)))` where g is equal to

A

g

B

g-a

C

g+ a

D

`sqrt (g^(2)+a^(2))`

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Verified by Experts

The correct Answer is:
D
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