How do reflection and refraction of waves affect communication?

Convection can occur in which two substances? a) wood and air b) ice and wood c) water and ice d) air and water

2. As the density of the medium increases, the speed of light A, increases B. decreases C. remains the same

Balance in the water cycle means what two are equal

This is the energy created by a compression wave of gas, liquid, or solid, that is detected by your ear.

What distance is a book from the floor if the book contains 196 joules f potential energy and has a mass of 5 kg?

Roberto creates an animation titled "Flying through an Atom." The animation makes it seem as if the viewer passes all the way through an atom, starting from one side, then through the atom's center, and then leaving through the other side.

Which part of the ear vibrates at the frequency of sound waves

A submarine that is in the sea what principle is that

1. It takes 26.5 N to pull a 72 kg sled across snow. What is the coefficient of friction? 2. A 565 N rightward force pulls a large box across the floor with a constant velocity of 0.75 m/s. If the coefficient of friction is 0.

A person holds onto an object for 2 minutes, but doesn't move the object. Is work done on the object?