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**Disk accelerated by a rocket motor**

- What is the moment of inertia of the
**disk**?
- What is the final angular velocity of the disk?
- What is the average angular acceleration while the rocket is firing?
- How long was the rocket firing for?
- What average
**torque** must have been applied to accelerate the disk?
- What
**force** was provided by the rocket motor?

**2. Disk & disk collision**

- Use the video and video analysis to show that angular (rotational) momentum is conserved (or not…)

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