[填空题]
A softball player swings a bat, accelerosj:qk+ 4-sw e9rzh/2;tnp l rating it f)b :7qo48 zndrudkv opit8j15rom 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. $m \cdot N$