[填空题]
Calculate the moment of inertia of a bicyc3bh0(uvy(k m.2 ti dk/*erpn ua:hbi2le wheel 66.7 cm in dia;vgs g8hs,boxz*8pi 90( hbo hmeter. The rim and tire have a combined mass of 1.25 kg. The mass of the hub can be igsbsz9ohp(h8*vb ,g8;o i g hx0nored (why?). $kg \cdot m^2$