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Question

A vehicle is moving on a circular path of radius R with speed gR . A simple pendulum of length hangs from the ceiling of the vehicle. The time period of small oscillations of the pendulum is [where << R ]

A
2πg
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B
2π2g
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C
2π2g
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D
None of these
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Solution

The correct option is D 2π2g
Answer is B
We know that time period of pendulum is
T=2πlgr
Now,
gr=g2+g2
Therefore,
T=2πl2g
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