The bob of a pendulum of length l is pulled aside from its equilibrium position through an angle 
and then released. The bob will then pass through its equilibrium position with a speed v, where v equals
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
If suppose bob rises up to a height h as shown then after releasing potential energy at extreme position becomes kinetic energy of mean position
Also, from figure 
So, 
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