ASAP Stan wants to pass an instance of a class as an argument to a method or constructor within the class. What keyword or technique should he use? A. this B. explicit method invocation C. the thrown exception D. explicit constructor invocation

What are similarities and differences of reflection, refraction, diffraction and absorption?

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

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?