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Questions  

A second's pendulum is mounted in a rocket. Its period of oscillation will decrease when the rocket is:

a
moving up with uniform velocity
b
moving up with uniform acceleration
c
moving down with uniform acceleration
d
moving in a geostationary orbit

detailed solution

Correct option is B

when it is going up with acceleration effective value of g is g+a  and T=2T=2πlgeffective

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