[填空题]
A 1.4-kg grindstone ina b;hghz(oi.; fr:h7y0wtzp+ thednyj k *.0t,9az/c;cr0vz tq y s.km+i shape of a uniform cylinder of radius 0.20 m acquires a rotational rate of from rest over a 6.0-s interval at constant angular acceleration. Calculate the torqutvz q ;ti a/.kk nm0j*.yc 9y,dzs+0cre delivered by the motor. $m \cdot N$
