Velma, Who Is Carrying a "Light Clock," Passes Mort at a High

question 90

Multiple Choice

Velma, who is carrying a "light clock," passes Mort at a high speed. Velma observes that, during one tick of her own light clock, the light beam on her clock travels

• A) no distance at all.
• B) further than 300,000 km.
• C) 300,000 km.
• D) a distance of one light year.
• E) less than 300,000 km.

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Definitions:

Rubella

A contagious viral infection best known for its distinctive red rash, also called German measles.

Influenza

A highly contagious viral infection of the respiratory passages causing fever, severe aching, and catarrh, and often occurring in epidemics.

Alcohol-Based Hand Rub

A hand hygiene practice using liquids, gels or foams containing alcohol, designed to reduce or eliminate harmful germs and viruses on the hands.

Body Fluids

Liquids within the human body that perform essential functions, including blood, saliva, urine, and cerebrospinal fluid.