[填空题]
A 1.4-kg grindstone in the shape of a uniform cylinder of radius 0.20 m accrxvy ,6:ggy 3quire;9k j*zkf8rqts a rotational rate of from 8fzq*rk t9; kjrest over a 6.0-s interval at constant angular acceleration. Calculate the torque delivered by the motor. $m \cdot N$
Post time 2025-2-18 20:00:22
