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The bob of pendulum is project with hori...

The bob of pendulum is project with horizontal velocity of `sqrt(3gf)` I is the length of string. Find the angular displacement of string before it becomes slack.

A

`pi-cos^(-1)1//3`

B

`cos^(-1)2//3`

C

`pi-cos^(-1)2//3`

D

`cos^(-1)1//3`

Text Solution

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The correct Answer is:
A
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