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A pendulum suspended from ceiling of a train has a time period T, when the train is at rest. When the train is accelerating with uniform acceleration 'a', the period of oscillation will |
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Answer» Decrease When train accelerates then net acceleration is `a_("net")=sqrt(g^(2)+a^(2))gt g` `:. T.=2pi sqrt((l)/(sqrt(g^(2)+a^(2))))` Sotime PERIOD decreases. Correct choice is (a). |
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