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
Correct Answer:

Verified
Correct Answer:
Verified
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