Question

Two discs of moments of inertia /, and I, about their respective axes

2

normal to the dise and passing through the centre), and rotating with

angular speed ol and are brought into contact face to face with their axes

of rotation coincident. (a) Does the law of conservation of angular momentum apply to the Situation why?

(b) Find the angular speed of the two-disc system, (c) Calculate the loss in kinetic energy of the system in the process.

(d) Account for this loss.​

Answer 1

Answer:

sorry I didn't know the answer

Answer 2

Answer:

sorry I didn't know the answer if know I tell you but now I not have any answer for this