How Much Work Is Required to Stretch an Ideal Spring

question 78

Multiple Choice

How much work is required to stretch an ideal spring of spring constant 40 N/m from x = 0.20 m to x = 0.25 m if the unstretched position is at x = 0.00 m?

• A)0.45 J
• B)0.80 J
• C)1.3 J
• D)0.050 J

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