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 = F 0 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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The Answer of 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 = F 0 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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