[填空题]
A softball player swings49y 3lll/vx0wt pza :v a.z wwij- z 7w1wiaju (8. tblfj4e4rh0 bat, accelerating it 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. $m \cdot N$