A spring with a spring constant of 1,100 N/m is used to launch a 0.03 kg pellet by initially having the spring compressed by 5.0 cm. What is the pellet’s speed at launch?



9.6 m/s


18 m/s


2.1 m/s


4.6 m/s


Please help, I have been working on this for about 20 minutes now and I have no idea where to even start