The 3.22-1b particle A slides on the smooth horizontal plane and is connected to the spring by a cord which passes through a smooth hole in the plane. In the position shown, A has a velocity of 100 fps to the right as indicated, there is no slack in the cord, and the spring is unstretched. During the motion, the particle reaches a maximum distance of 10 ft from the hole. Determine the spring constant.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.