[填空题]
A softball player swings a bat, .fv pjo 2w-sw7accelerating it frohvm3cib) hf 1:p5le ef.h2xex 4x1j b8m 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. $m \cdot N$