A Stationary Mass M = 1

question 54

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 in a time of 1.4 s.What was the average power expended?

• A)0.93 W
• B)4.3 W
• C)5.2 W
• D)8.6 W
• E)10.2 W

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