Questions
A spring – mass system is hanging from the ceiling of an elevator in equilibrium. The elevator suddenly starts accelerating upwards with acceleration If mass of the block is 1 kg and force constant of the spring is 1000 N/m, the amplitude of oscillation is
detailed solution
Correct option is D
Amplitude=mg+ak−mgk=mak=1×51000 × 103 mm=5mmTalk to our academic expert!
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A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string (i.e. angle ) when the trolley rolls up a plane of inclination with acceleration a is
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