A solid disk of mass 15 kg and radius 10 cm starts at rest, undergoes some toruqe, and is rotating at 5 rad/s after 0.5 s. (a) What is the change in the disk's angular momentum? (b) What is the torque applied to the disk?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Angular Momentum & Newton's Second Law concept. You can view video lessons to learn Angular Momentum & Newton's Second Law. Or if you need more Angular Momentum & Newton's Second Law practice, you can also practice Angular Momentum & Newton's Second Law practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty of*A solid disk of mass 15 kg and radius 10 cm starts at rest, ...*as medium difficulty.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 2 minutes and 36 seconds to solve this problem. You can follow their steps in the video explanation above.