問題詳情
18.A 200g top spinning at 20 rev/s makes an angle of 30°to the vertical and precesses at a rate of 1 rev per10.0s. If its CM (Center of Mass) is 4.0cm from its tip along its symmetry axis, what is the moment of inertiaof the top?
(A)
(B)
(C)
(D)
(E)
