A Billiard Ball Traveling at 3

question 27

Multiple Choice

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

---

Definitions:

Gel Electrophoresis

A laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size.

Restriction Enzymes

Proteins used by bacteria to cut DNA at specific sites, widely used in molecular biology for gene cloning.

Bacteria

Single-celled microorganisms that can exist either as independent organisms or as parasites, with some capable of causing diseases.