Of the diagrams below, which one correctly illustrates how light rays come off an object? Explain your answer Of the diagrams below, which one correctly illustrates how a light ray enters and exits a piece of thick glass? Explain your answer
In your own words, explain what happens to light as it enters glass from the air. Why does this happen? Use the term refraction in your answer

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?