[填空题]
A 1.4-kg grindstone in their d;e2*u 4koox-1mot shapr ij3t(*:w .29wmhpuckd7*yva6seb ie 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 acceleration. Calculate the torque delivered w7pti sjh* ira: 6.ecwv3db2k9*u( ymby the motor. $m \cdot N$