1. Period 2 Question 1

2. The angular speed of a rotating wheel increases 2 revolutions per second every minute. The angular acceleration, in rad/s2 of this wheel is
4 pi2
2 pi
1/30
2 pi / 30
4 pi

3. Period 2 Question 2

4. Correct units for the moment of inertia are
ML2T-2 ML
M/L2
ML2
ML-1T-2

5. Period 3 Question 1

6. The angular speed of a rotating wheel decreases 4 revolutions per second every minute. The magnitude of the angular deceleration, in rad/s2 of this wheel is
4 pi2
4 pi
1/15
2 pi / 15
8 pi

7. Correct units for the moment of inertia are
ML2T-2 ML
ML2
M/L2
ML-1T-2

8. Period 3 Question 2