Recent content by ksherwood

do i find the potential energy of the system first, before trying to find these specific answers?

Homework Statement A 15.0g ball is to be shot from a spring gun whose spring has a constant force of 600 N/m. The spring will be compressed 5.00 cm when in use. How fast will the ball be moving as it leaves? How high will it go if the gun is pointed vertically? Homework Equations I'm...