PLEASE HELP What is the most significant change in the comet's energy as it moves from

point D to point A?

A. KE decreases, GPE decreases

B. KE increases, GPE increases

C. KE increases, GPE decreases

D. KE decreases, GPE increases

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600