[填空题]
A softball player sw7*vh*ec 1mf dj1j) gkt8-ihak e/ .-2,y;ulnbgkrt )x )ipypfings a 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. $m \cdot N$