Q1 (5 points) Sylvester never studied physics. One day while he was chasing Tweety Bird, Tweety flew up to the top of a wall. Sylvester quickly propped a 12kg-ladder up against the wall. He ran 3/4 of the way up the ladder before it slipped! Sylvester weighs 5k tal length of the ladder is 4m, and the coefficient of static friction between the ladder and ground is As = 0.8. At what a le prop up the ladder