[填空题]
A softball player swings a ba +uz9+ tozrmm rb04:d( cqq4mcx2: cpyt, 4h+oz5d,fqj9n kr 9scaccelerating 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. $m \cdot N$