[填空题]
A softball player swings a bat, ac i/v2: l/r(;x lnymsfxcelerating it fru 3du4ghid(zmw jhy.5 tw- x:+om 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. $m \cdot N$