[填空题]
A softball player swings70r2 vr2ag tpr8hyfkcgg c7., a bat, ;dhzw.u8losv; o k0j2 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. $m \cdot N$