What is the maximum kinetic energy of the speaker cone?
8.7×10−3 J8.7 \times 10^{-3}\text{ J}8.7×10−3 J
0.16 J0.16\text{ J}0.16 J
0.34 J0.34\text{ J}0.34 J
0.68 J0.68\text{ J}0.68 J
