[填空题]
A softball player swings a +m l(0zlr4p)jzar e.im i6+ mgbat, aurgyonxjb4 .7f0i v7- 5*cqadccelerating 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. $m \cdot N$