[填空题]
A 1.4-kg grindstone in the shape of a unifor(z tbx,ymdl.exp:8*5 ;9of:h4b iybiqpb2 eqm cyn6qx(n ufyz*3m( yxv 7linder of radius 0.20 m acquires a rotational rate of from rest over a 6.0-s interval aq*x7u nyyxm fvz(63n (t constant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$