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:

Inventory

Inventory refers to the total amount of goods and materials held by a business for the purpose of resale or production.

Slope-intercept Form

An equation of a straight line in the format y = mx + b, where m is the slope and b is the y-intercept.

Slope

The measure of the steepness of a line on a graph, defined as the ratio of the vertical change to the horizontal change between two points on the line.

General Form

A way of expressing something that is not specific to any particular case but can apply broadly across instances.