[填空题]
A 1.4-kg grindstone in the shape ofx96 gd1yu y,n qs6m2ek a uniform cylinder of radius 0.20 m acqfcg-7l-,ej )zyc9xwf.piex. kubf- -uires a rotational rate of from rest over a x,je.c- f- z ffpg lyx)9e bk7u.wc--i6.0-s interval at constant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$