If a system is isolated, the total energy of the system if a system is isolated, the total energy of the system depends on the work into the system. increases constantly. depends on the work out of the system. is constant. decreases constantly.

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.