A gymnast of mass $52\mathrm{.}0$ kg is jumping on a trampoline. She jumps so that her feet reach a maximum height of $2\mathrm{.}16$ m above the trampoline and, when she lands, her feet stretch the trampoline $65\mathrm{.}0$ cm down. How far does the trampoline stretch when she stands on it at rest?

Answer rating: 100% (QA)

Assumptions We can assume the mechanical energy of the gymnasttrampoline system is conserved during the jump no energy loss due to air resistance etc ... View the full answer