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Questions  

A simple pendulum performs simple harmonic motion about x - 0with an amplitude a and time period T. The speed of the pendulum at x=a2 will be :

a
πa3T
b
πa32T
c
πaT
d
3π2aT

detailed solution

Correct option is A

v=ωa2-x2=2πTa2-a24=πa3T

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