A person is jumping on a trampoline. After coming off of the trampoline, he is in the air for 1.8 seconds. Call the initial state when the trampoline is at its lowest point with the person still on the trampoline. The final state is 1.5 seconds after the person comes off the trampoline. System: trampoline System: girl + Earth System: girl System: girl + trampoline + Earth System: girl + trampoline This question is asking if the energy of the system changes or stays constant for each of these situations, it is dealing with the work energy theorem.

A person is jumping on a trampoline. After coming off of the trampoline, he is in the air for 1.8 seconds. Call the initial state when the trampoline is at its lowest point with the person still on the trampoline. The final state is 1.5 seconds after the person comes off the trampoline. System: trampoline System: girl + Earth System: girl System: girl + trampoline + Earth System: girl + trampoline This question is asking if the energy of the system changes or stays constant for each of these situations, it is dealing with the work energy theorem.