In the Lab, Charged Particles Are Directed Toward One Another

question 22

Multiple Choice

In the lab, charged particles are directed toward one another, each at speed 0.500 c. What is the speed of the particles moving one way with respect to the particles moving the other way?

• A) 1.25 c
• B) 1.00 c
• C) 0.800 c
• D) 0.500 c
• E) 0

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Definitions:

Wheezes

High-pitched whistling sounds during breathing, often a sign of respiratory obstruction or asthma.

Paroxysmal Nocturnal Dyspnea

Sudden, severe shortness of breath at night that awakens the person from sleep, often a symptom of heart failure.

Orthopnea

Shortness of breath that occurs when lying flat, forcing the person to sleep propped up in bed or sitting in a chair.

Exacerbation

A worsening or increase in the severity of symptoms or disease.