A Pool Player Is Attempting a Fancy Shot

question 11

Multiple Choice

A pool player is attempting a fancy shot.He hits the cue ball giving it a speed of 5.57 m/s and directs its center on a path tangent to the surface of the target ball having the same mass as the cue ball.After the collision (on a frictionless table) the initially-stationary ball moves with a speed of 4.82 m/s.After the collision,the new speed of the cue ball and the relative direction of the balls are closest to

• A) 2.79 m/s, at 90° to each other.
• B) 2.79 m/s, at 60° to each other.
• C) 8.34 m/s, at 90° to each other.
• D) 8.34 m/s, at 60° to each other.

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Definitions:

Economic Stabilization

Efforts or policies aimed at maintaining economic growth, controlling inflation, and reducing unemployment to achieve a stable economy.

Discretionary Policies

Economic strategies and decisions made by a government that can be altered or adjusted in response to changing economic conditions.

Milton Friedman

A prominent American economist known for his strong belief in free-market capitalism and for being a leading proponent of monetarism in economic policy.

Monetarist

An economic theory that emphasizes the role of governments in controlling the amount of money in circulation as the primary method for ensuring economic stability and growth.