A Stationary Mass M = 1

question 51

Multiple Choice

A stationary mass m = 1.3 kg is hanging from a spring of spring constant k = 1200 N/m.You raise the mass a distance of 10 cm above its equilibrium position.How much has the potential energy of the mass-spring system changed?

• A)1.3 J
• B)6.0 J
• C)7.3 J
• D)12 J
• E)13 J

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