Q.Describe the energy changes that occur when the mass is released.
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Start your 14-day free trial to unlock the full solution →At the extreme the energy is all potential; swinging down it converts to kinetic (maximum at the mean position); climbing the other side it converts back to potential — repeating each swing, with the total conserved.
At the released (extreme) position the bob is momentarily at rest, so its energy is entirely gravitational potential energy. As it swings down toward the mean position this converts into kinetic energy, which is maximum (and potential minimum) at the lowest point. Rising on the other side the kinetic energy converts back into potential energy until the bob again stops at the opposite extreme. This interchange repeats every swing, wit …
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