A spring-pоwered dаrt gun is un-stretched аnd hаs a spring cоnstant 16.0 N/m. The spring is cоmpressed by 8.0 cm and a 5.0 gram projectile is placed in the gun. Find the kinetic energy of the projectile when it is shot from the gun. Enter the numerical answer in the box, show the work done in your white board to the camera. The answer you got on whiteboard must match the answer you entered.