[填空题]
A 1.4-kg grindstone in the s*6t4 twshe/el f*ipvq /p)-bm hape ofw v+z4i (+pqqu y+k5yy a uniform cylinder of radius 0.20 m acquires a rotational rate of from rest over a 6kq+pvy+y (4 yiw 5z+qu.0-s interval at constant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$
