2. A Spring-Loaded gun shoots a plastic ball with a launch speed of 2.0 m/s. If the Spring is replaced with a new Spring having twice the spring-constant (but still compressed the same distance), the ball’s launch speed will be, a) 1.0 m/s b) 2.o m/s c) 2.8 m/s d) 4.0 m/s e) 16.0 m/s
