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A simple pendulum has time period T(1). ...

A simple pendulum has time period `T_(1)`. When the point of suspension moves vertically up according to the equation `y=kt^(2)` where `k=1m//s^(2)` and `'t'` is time then the time period of the pendulum is `T_(2)` then `(T_(1)//T_(2))^(2)` is

A

`(6)/(5)`

B

`(5)/(6)`

C

1

D

`(4)/(5)`

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The correct Answer is:
C
System is in mechanical equilibrium.
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