Answer:
d
He could pull the mass down farther.
k e is energy of movement. When thing solidifies, atoms stop moving ke is less.
Answer:If a 5-kilogram mass is raised vertically 2 meters from the surface of the Earth, its gain in potential energy is approximately 1) 0 J 2) 10 J 3) 20 J 4) 100 J 43.
Explanation:
