[填空题]
A softball player swings a bat, accelerati)cvy0e-0 yu r7gpj4aing it from r o d -ok7hdw6;cnl;d3qest 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. $m \cdot N$