What is right-handed elliptically polarized light? what is fermat’s principle in explaining the reflection and refraction of light?

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)