Use the Figure to the Right to Answer the Next

question 104

Multiple Choice

Use the figure to the right to answer the next two problems. A ball of mass m = 100 g and radius r = 10 cm is suspended from a light spring with spring constant k = 4 N / m.The ball is then immersed in oil with viscosity = 0.2 Pa.s and driven at the resonant frequency by a variable force F = F₀ cos (t) at an amplitude of A = 10 cm.
-How much energy is dissipated per cycle?

• A)0.028 J
• B)0.057 J
• C)0.11 J
• D)0.068 J
• E)0.16 J

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