[填空题]
Calculate the moment of 1a+uqtk6iidm ,7n j0;orh : tyinertia of a bicyc dsj/;p+yyee d i1h .os2.sbp)le wheel 66.7 cm in diameter. The rim and tire have a combined mass of 1.25 kg. The mass of the hub chy/1e sypddo ).sb ipej. +s;2an be ignored (why?). $kg \cdot m^2$