The velocity of the bob of a simple pendulum in the mean position is v. If its amplitude is doubled, by keeping the same length, then its velocity in the mean position will be

Options

A. v/2
B. v
C. 2 v
D. 4 v

Answer

C

Explanation

`v_("max")=a omega, v._("max")=2a omega=2v_("max")=2v`
(since `v_("max")=v`)