The firing mechanism of a pinball machine consists of a plunger p having a mass of 0.25 kgand a spring of stiffness k=300 n/m. When s=0, the spring is compressed 50 mm. If the arm is pulled back such that s=100 mm and released, determine the speed of the 0.3 kgpinball b just before the plunger strikes the stop, i.E., s=0. Assume all sufaces of contact to be smooth. The ball moves in the horizontal plane. Note that the ball slides without rolling.
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