a) The Work done to stop Mr. Steele and the ball. (1 mark)
b) How fast Mr. Steele hit the wall (assuming he is at the lowest part of his swing, v=0). (1 mark)
c) The original height which Mr. Steele swung from. (1 mark)
d) Mr. Steele's speed when his height is 4.25m off the ground. (1 mark)
e) Now, let's consider a situation with air friction. If 4525J of energy is lost
to air friction, how far into the wall would Mr. Steele and the
ball go? (1 mark)
Fig: 1