Q. Upton Chuck is riding the Nitro at Six Flags Great Adventure. If Upton free falls for 2.55 seconds, what would be his final velocity and how far would he fall?
Q. A steel ball of mass 0.50 Kg is fastened to a cord 70.00 cm long and is free while the cord is horizontal. At the bottom of its path the ball strikes a 2.5 Kg steel block at first at rest on a frictionless surface. The collision is elastic. Determine (a) speed of the ball and (b) speed of the block just after the collision.