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:

Machinery

Machines or machine systems collectively, especially when considered as components of a production or manufacturing process.

Net Working Capital

The difference between a company's current assets and current liabilities, representing its short-term financial health and efficiency.

Operating Income

The profit realized from a company's core business operations, excluding deductions of interest and tax.