A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 0.5 m long. The speed of the bob, when the length makes an angle of 
to the vertical, will be (If 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Let bob velocity be v at point B where it makes an angle of 60 o with the vertical, then using conservation of mechanical energy
⇒ ⇒ 
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