[填空题]
A softball player swin9x sf0mc-c9tzni 5u vali91r)gs a bat 72dnun.v.+fqg- xw/ fvrf; lq, 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. $m \cdot N$