18. The mass moment of inertia for the thin plate about the x-axis is A. 1/15 mh² B. 2/15 mh² C. 1/10 mh² D. 2/3 mh2 E. 1/3 mb² F. 1/15 mb² G. 2/15 mb² H. 1/10 mb² I. 2/3 mb² 1/3 mb² J. y = kx³
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