A 100-g ball is launched from the ball launcher in a pinball machine (pictured below). The force constant of the spring is 110 N/m. The spring is initially compressed 4.0 cm and the coefficient of kinetic friction is 0.2. Hint: watch your units!
a) How fast is the ball going when it passes the equilibrium point of the spring?
b) How far will the ball go up the ramp? Specify clearly what value you are giving me!