[填空题]
A 1.4-kg grindstone in the shape of a uniform cylind 6nkj5ewpid l.j *7bcr5p jj42er of radius 0.20 mpge4dt-jh5 jo :y zsxd-z.. -a acquires a rotational rate of from rest over a 6.0-s interval at constant angular acceleration. Calculate the torque delivered by the motorjh g-z dd-y:. z5 oe-atp.4xjs. $m \cdot N$