. The natural lengths of massless spring is x(spring constant k), it i – InterviewSolution

1.	. The natural lengths of massless spring is x(spring constant k), it is slowly stretched byapplying an external force. The work done tostretch the spring from length 3x to 4x is(1) 1.5kx(2) 2.5kx2(3) 4kx2(4) kx2
Answer» . The natural lengths of massless spring is x(spring constant k), it is slowly stretched byapplying an external force. The work done tostretch the spring from length 3x to 4x is(1) 1.5kx(2) 2.5kx2(3) 4kx2(4) kx2

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