Solve the below problem:
Q: A 50-lb sphere A of radius 4.5 in. moving with a velocity of magnitude v0 = 6 ft/s strikes a 4.6-lb sphere B of radius 2 in. which is hanging from an inextensible cord and is initially at rest. Knowing that sphere B swings to a maximum height h = 0.75 ft, determine the coefficient of restitution between the two spheres.
