Two Billiard Balls Having the Same Mass Roll Toward Each

question 98

Multiple Choice

Two billiard balls having the same mass roll toward each other at the same speed.What is the net momentum of the two-ball system?

• A)0 kg∙m/s
• B)10 kg∙m/s
• C)not enough information

---

Definitions:

Ulceration

The formation of ulcers, which are open sores on the skin or mucous membranes that fail to heal properly.

Emotion-Focused Coping

A stress management strategy where individuals deal with emotional distress by trying to reduce negative emotional responses associated with stress.

Problem-Focused Coping

A strategy for dealing with stress by tackling the problem causing the distress directly.

Negatively Reinforced

A process in operant conditioning where a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.