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Question

A simple pendulum suspended from the ceiling of a stationary lift has period T0. When the lift descends at steady speed, the period is T1, and when it descends with constant downward acceleration, the period is T2. Which one of the following is true?

A
T0=T1=T2
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B
T0=T1<T2
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C
T0=T1>T2
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D
T0<T1<T2
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