[填空题]
A 1.4-kg grindstone in o6v s-ehvgz i8so)w5: the she6a.cm. ix.zz ape of a uniform cylinder of radius 0.20 m acquires a rotational rate of from rest over a 6.0-s interval at constant angular xc.zzeaim.6 . acceleration. Calculate the torque delivered by the motor. $m \cdot N$