[填空题]
A 1.4-kg grindstone in the shape of a uniform.z( s 8:xo4irt8h sxb*u iojbxe +4*dr cylinder of radius 0.20 m acquirkj/ :lajplvn,wy 0tt1c5)r5n es a rotational rate of from rest over a 6.0-s interval at consvalnt,t 5)l 5ky:j1p0cj/ wr ntant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$