[填空题]
A softball player swiqnfv;nl /i40jr 8y6vgu9 bk4wngs atbg (:w j2 dja30 5mal 6fg,ei;ei.eai bat, accelerating it from 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. $m \cdot N$