Use the Figure to Answer the Problem

question 116

Multiple Choice

Use the figure to answer the problem. A spring of negligible mass and spring constant k is attached to the wall on one end, and the other end is attached to the center of mass axis of a solid sphere of mass m and radius r. The spring is stretched a distance A from equilibrium and let go. The sphere rolls freely on a smooth surface.
-What is the linear kinetic energy when the sphere is at the equilibrium position?

---

Definitions:

Decreasing Costs

A situation where the total cost of production decreases as the volume of production increases.

Inferior Good

A type of good for which demand decreases as the income of consumers increases, inversely related to normal goods.

Long-Run Equilibrium

A state in which all factors of production and costs are variable, and economic forces are balanced, leading to no net inclination to change.

Constant-Cost Industry

An industry in which the costs of production (including input prices) remain constant regardless of changes in the industry's output level.