The potentail energy of a spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, the potentail energy stored on it is

The potentail energy of a spring when stretched by 2 cm is U. If the s

1.	The potentail energy of a spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, the potentail energy stored on it is
Answer» `U/4` 4 U 8 U 16 U Answer :D