Questions
An ideal spring with spring-constant K is hung from the ceiling and a block of mass M is attached to its lower end. The rnass is released with the spring initially unstretched. Then the maximum extension in the spring is
detailed solution
Correct option is B
Let x be the maximum extension of the spring. From energy conservationLoss in gravitational potential energy = Gain in potential energy of springMgx = 12Kx2⇒x = 2MgKTalk 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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