[填空题]
A softball player swings a bawm1 w(a. ,u, xebt yer6sd3f/cijs(/rhm o8; et, acceluj1wygk9e d6 +u1 +nuherating 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. $m \cdot N$