[填空题]
A softball player swii-m :83 tqlzqo ggfd1:-qbw( fngs a b;zj-gw-mf9h bt o5m. tat, 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. $m \cdot N$