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.

---

Definitions:

Net Energy

The amount of usable energy available from a resource after subtracting the energy expended to obtain, process, and distribute that resource.

Coal Burning Installation

Facilities or structures where coal is burned to produce energy, often involving the generation of electricity through heating water to turn turbines.

Crude Oil Reserves

Quantities of extractable oil from the earth, estimated based on geological and engineering data, indicating potential resources for future exploitation.

Atomic Bomb

A weapon of mass destruction that releases its destructive energy through nuclear reactions of fission or fusion, causing significant devastation and loss of life.