Tolong bantu no 23. Terima Kasih

[tex]\displaystyle \Delta L=I\omega_t-I\omega_0\\\frac{\Delta L}{\Delta t}=I\cdot\frac{\omega_t-\omega_0}{\Delta t}\\\frac{L_t-L_0}{\Delta t}=I\cdot\alpha\\\boxed{\boxed{\frac{L_t-L_0}{\Delta t}=\tau}}[/tex]