Formulas PE = mgh KE = - my ME = KE + PE W = KEfinal - K Einitial For numbers 6-8, refer to this problem. The Falcon is playing with a 4.02-[kg] steel ball. He was rolling it across the surface at an initial velocity of 49 [m/s] to a final velocity of 65 [m/s]? 6. Calculate the FINAL KINETIC ENERGY of the ball. * 4 points Your answer 7. Calculate the INITIAL KINETIC ENERGY of the ball. * 4 points Your answer B. Applying the Work-Kinetic Energy Theorem, calculate the WORK done . 4 points on the ball