Period 2 Question 1.

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Rotational Kinematics

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Presentation transcript:

Period 2 Question 1

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

Period 2 Question 2

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

Period 3 Question 1

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

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

Period 3 Question 2