It Takes 87 J of Work to Stretch an Ideal

question 39

Multiple Choice

It takes 87 J of work to stretch an ideal spring from 1.4 m to 2.9 m from equilibrium. What is the value of the spring constant (force constant) of this spring?

• A) 52 N/m
• B) 77 N/m
• C) 27 N/m
• D) 39 N/m

Understand the demographic changes in families, including fertility rates, employment patterns of married women, and the prevalence of non-traditional family forms.

Understand the concept of consciousness and its different states.

Describe the various rhythms that regulate physiological and psychological functions.

Recognize the role of the hypothalamus in regulating the sleep-wake cycle.

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