Questions
A pendulum suspended from the ceiling of a train has a period T, when the train is at rest. When the train is accelerating with a uniform acceleration a, the period of oscillation will
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Correct option is B
Initially time period was T=2πlg.When train accelerates, the effective value of g becomes (g2+a2) which is greater than gHence, new time period, becomes less than the initial time period.Similar Questions
A simple pendulum is hanging from a peg inserted in a vertical wall. Its bob is stretched in horizontal position from the wall and is left free to move. The bob hits on the wall the coefficient of restitution is . After how many collisions the amplitude of vibration will become less than 60°
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