When a spring is compressed by a distance .x., the potential energy stored is U_(1). When it is further compressed by a distance 2x, the increases in potential energy is U_(2). The ratio of U_(1) : U_(2) is

When a spring is compressed by a distance .x., the potential energy st

1.	When a spring is compressed by a distance .x., the potential energy stored is U_(1). When it is further compressed by a distance 2x, the increases in potential energy is U_(2). The ratio of U_(1) : U_(2) is
Answer» `1: 7` `1 : 4` `1 : 8` `1 : 3` ANSWER :C