The amount of light that undergoes reflection or transmission is demonstrated by how bright the reflected or transmitted ray is. Under what conditions is the amount of transmission maximized and the amount of reflection minimized?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?