[填空题]
A softball player swmh y*90pi yo80sh7in9u hfyq ,ings a bat, accelerating a9gt 1u1.s076xulomn .msxm g 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. $m \cdot N$