[填空题]
A softball player swin :sg3.a-ijf)sz,f +nki -ab lru8j:c ggs a bat, accelerating it fro a o/ uk55.lsq+)rgliqm rest to 3 $rev/s$ in a time of 0.20 s. Approximate the bat as a 2.2-kg uniform rod of length 0.95 m, and compute the torque the player applies to one end of it. $m \cdot N$