[填空题]
A 1.4-kg grindstone in the s 4iqgci*h ;o24a i8jhnz6v1vehape of a uniform cylinder of radi qj1f93j6 +mzc4tvnfkk pg,02gou9jlus 0.20 m acquires a rotational rate of from rest over a 6.0-s interval at constant angular acceleration. Calculate the torque delivered by the mojoj0kgfz21, c3julfmp +gn6qk 9v t49tor. $m \cdot N$