[填空题]
A softball player swings a bat, acceleratin-iq*verw2)2ovdpa:; qet4 c vdt7 pj2g it from resj * ii im1fk(j2c3a:txbp .q0ct 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. $m \cdot N$