A simple pendulum of effective length 'l' is kept in equilibrium in vertical position . What horizontal velocity should be given to its bob , so that it just completes a vertical circular motion ?
A
`sqrt(5gl) `
B
`sqrt(3gl)`
C
`sqrt(gl)`
D
`sqrt(7gl)`
Text Solution
Verified by Experts
The correct Answer is:
A
`V= sqrt( 5 g l )`
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