[填空题]
A 1.4-kg grindstone ic512 gm6- f*t/tpcb w n4ibb2quak1aij pam h.y79qnk( h*tq3n the shape of a uniform cylinder of radius 0.20 m acquires a rotational rate of3qh.py9tm7a(hjk q* n from rest over a 6.0-s interval at constant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$