Question

A pendulum suspended from the ceiling of a compartment of a train has periodic time 2 s. When the train is accelerating at 10 m/s². What will be its time period when the train retards at 10 m/s².
(a) 2 s
(b) √2 s
(c) 2√2 s
(d) 2/√2 s

Answer 1

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Option.C

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Answer 2

A pendulum suspended from the ceiling of a compartment of a train has periodic time 2 s. When the train is accelerating at 10 m/s². What will be its time period when the train retards at 10 m/s².

(a) 2 s

(b) √2 s

(c) 2√2 s✔✔

(d) 2/√2 s