[填空题]
A 1.4-kg grindstone in the shape of a uniform cylic.ld0:e.0xk u bdp *cwx5ez,udn 7p7lnvx)tsjwf vs,- 9dq9g6pe8m +eder of radius 0.20 m acquires a rotational rate of from rest over a 6.0-s interval at consf-9j+8v v ) gsmeqtpd, 6esxw9tant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$