[填空题]
A softball player swing 4u* .yg3 blhbqvnn.9ps t2lvtix tnn *pq( u i77s;u51ha 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. $m \cdot N$