Use the Picture on the Right to Answer the Next

question 11

Multiple Choice

Use the picture on the right to answer the next question. A steel wire and an aluminum wire of the same length L and diameter d are joined to form a wire of length 2L.The wire is fastened to the ceiling and a mass m is attached to the other end.
-The amount of expansion in the aluminum portion is ____ the steel portion.

• A)less than
• B)equal to
• C)greater than
• D)depends on how tight m is attached to the steel
• E)unable to tell

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Definitions:

Dopamine and Serotonin

Both are neurotransmitters in the brain that influence various bodily functions. Dopamine is associated with pleasure and reward, while serotonin is linked to mood stabilization, feelings of well-being, and happiness.

Air Temperatures

A measure of how hot or cold the atmosphere is, typically expressed in degrees Celsius or Fahrenheit.

Crowd Sizes

The number of individuals gathered in a specific location or event, which can influence behavior and perception.

Pitched Ball

In sports, refers to the act of throwing a ball towards a player, especially in baseball, using various techniques to challenge the batter.