If It Takes 8

question 22

Multiple Choice

If it takes 8.0 N to stretch a spring 6.0 cm,and if the spring is then cut in half,what force does it take to stretch one of the halves 3.0 cm?

• A) 2.0 N
• B) 4.0 N
• C) 8.0 N
• D) 16 N

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Definitions:

Norepinephrine

Neurotransmitter that is involved in the regulation of mood.

Dopamine

A neurotransmitter involved in the regulation of mood, motivation, pleasure, and reward.

Rates Of Smoking

The proportion or frequency of individuals in a given population who engage in smoking tobacco products over a specific period.

E-Cigarettes

Electronic devices that simulate the experience of smoking by vaporizing a liquid that usually contains nicotine, flavorings, and other chemicals.