From the Figure 1, the axis is perpendicular to the plane of the disc and passes through the center. Find the moment of inertia of a disc with a mass of 5 kg and a diameter of 30 cm.
Figure 1​

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.