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A small sphere of mass m suspended by a ...

A small sphere of mass `m` suspended by a thread is first taken a side so that the thread forms the right angle with the vertical and then released, then

A

`gsqrt(1+3cos^(2)theta)`

B

`gsqrt(1+cos^(2)theta)`

C

`gsqrt(1+sin^(2)theta)`

D

`gsqrt(1+3sin^(2)theta)`

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The correct Answer is:
A
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