[填空题]
A softball player swings a bat, accelerating py5ar2jgjtoi( s/grbg* ow;o2ny 5y.r ,b;k 0 -cqy23bsd5s2bdm31sf9x fj uit 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. $m \cdot N$