Elastic Collisions in Two Dimensions: a Billiard Ball Traveling at 3.00

question 34

Multiple Choice

Elastic collisions in two dimensions: A billiard ball traveling at 3.00 m/s collides perfectly elastically with an identical billiard ball initially at rest on the level table. The initially moving billiard ball deflects 30.0° from its original direction. What is the speed of the initially stationary billiard ball after the collision?

• A) 2.00 m/s
• B) 0.866 m/s
• C) 1.50 m/s
• D) 2.59 m/s
• E) 0.750 m/s

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Definitions:

Monocyte

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White Blood Cell Count

A measure of the number of white blood cells present in the blood, an important indicator of immune function or infection.

Hemorrhaging

The process of excessive bleeding due to ruptured blood vessels, internal or external.

Bacterial Infection

This occurs when harmful bacteria enter and multiply in the body, potentially causing illness.