Select the correct answer. What is energy?

A. a change that appears in an object when force is applied

B. the property of a body that gives it mass

C. the amount of heat produced by a body

D. the ability of an object to undergo change

E. the ability of a body to move

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.