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Physics - W.E.P. Question with Solution | TestHub

PhysicsW.E.P.MiscellaneousEasy2 minPYQ_2009

PhysicsEasysingle choice

A block of mass $M$ is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value $k$ . The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be :NEET 2009 (Mains)

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Answer:

Solution:

Loss in grav. $PE =$ gain in spring $PE$ At maximum elongation $Mgx x = \frac{1}{2} kx^{2} = \frac{2 Mg}{k}$

Stream:NEETSubject:PhysicsTopic:W.E.P.Subtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2009

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