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A simple pendulum of length 1m has bob o...

A simple pendulum of length 1m has bob of mass 100 g. It is displaced through an angle of `60^@` from the vertcal and then released. The kinetic energy of bob when it passes through the mean position is

A

`0.49 J`

B

`0.94 J`

C

1 J

D

`1.2 J`

Text Solution

Verified by Experts

The correct Answer is:
A
`K.E_("mean") = P.E_("extreme") = mgl(1 - cos theta)`.
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