When energy is transferred by electromagnetic waves, it is called

Light with a wavelength of 600 nm is incident on a gemstone made of cubic zirconia (ᡦ = 2.18) from air. The light makes an angle of 30° with the surface of the gem before entering it. The refracted ray makes an angle of 30° with the normal.

Explain how resource availability can affect the stability of a society

A runner has an initial velocity of 4 meters per second. After 20 seconds, the runner's velocity is 6 meters per second. Which is the runner's acceleration?

Sound waves travel the fastest through witch of the following

Calculate the amount of work done when a grocery store stocker uses 120N of force to lift a sack of flour 1.5m onto a shelf

How did Einstein's and Newton's theories differ in terms of explaining the cause of gravity?

A sled being dragged to the right across loosely packed snow with a rightward acceleration

Imagine two artificial satellites orbiting earth at the same distance. one satellite has a greater mass then the other one which of the following would be true about there motion? 1.

What is energy? (Not the answer from google search.)

Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.