Answer:
262.5 Nm
Explanation:
Torque is the rate of change of angular momentum.
Hence, we have
[tex]\tau = \dfrac{\Delta L}{t}[/tex]
ΔL is the change in angular momentum.
Using values in the question,
[tex]\tau = \dfrac{8800-6700 \text{ kg m}^2\text{/s}}{8\text{ s}} = 262.5 \text{ Nm}[/tex]