Questions
A simple pendulum hung from the ceiling of a train moving at constant speed has a period T. If the train starts accelerating or decelerating, then what will be the effect on time period of pendulum?
detailed solution
Correct option is
T = 2πl|g→+a→| . a→ is in horizontal direction in both cases. Hence |g→+a→| > g, so T decreases in both cases.Talk to our academic expert!
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The identical springs of constant ‘K’ are connected in series and parallel as shown in figure A mass M is suspended from them. The ratio of their frequencies of vertical oscillations will be
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