[填空题]
A softball player swin0x rvex nx*o;1gs a bat, accelerating it / 1v0 ypmg(nno2v7ohe5v q*avfrom 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. $m \cdot N$