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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 6 - Work, Energy and Power > A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. the height of its fall before touching the spring the if the maximum compression of the spring the equal to 3mg/k is

A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. the height of its fall before touching the spring the if the maximum compression of the spring the equal to 3mg/k is

A block of mass m is suspended by a light thread from an elevator. The elevator is accelerating upward with uniform acceleration a. The work done by tension on the block during t seconds is (u = 0)