It Takes 87 J of Work to Stretch an Ideal

question 10

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

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