[填空题]
Calculate the moment of inertia of a bicycl 9gnbur+9 yqy04 g3wd7jdn3p ee wheel 66.7 cm in diameterqfsm 4.5grzx4) 2 ek3mxq1jgc. The rim and tire have5j e)msk 431cmqg f g.rxx2z4q a combined mass of 1.25 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$