[填空题]
Figure 8–53 illustrad * ltl+.:si4dv+ri0 iv y4dci,p;c2whk1g kr1 dq )bstes an $H_2O$ molecule. The O–H bond length is 0.96 nm and the H–O–H bonds make an angle of 104 $^{\circ} $. Calculate the moment of inertia for the $H_2O$ molecule about an axis passing through the center of the oxygen atom
(a) perpendicular to the plane of the molecule, $\times10^{-45 }$ $kg \cdot m^2$
(b) in the plane of the molecule, bisecting the H–O–H bonds. $ \times10^{-45 }$ $kg \cdot m^2$
