What's the distance over which a wave's shape repeats

Power is expressed in what.?

The difference in what causes air movement of high - and low-pressure areas density clouds precipitation atmosphere

Which type of wave is classified as electromagnetic? a. sound b. light c. water d. seismic?

If a baseball is thrown straight up into the air, when does it have its greatest amount of gravitational potential energy?

A tube of tennis balls has the following measures: 4-inch diameter and a height of 8 inches. What is the surface area of the tube of tennis balls? (Use 3.14 for π.) 301.44 in. 2 226.08 in. 2 213.52 in. 2 125.6 in. 2

Which of these statements best describes a similarity between the two galaxies? Both have elongated centers. Both have centers shaped like bars. Both change their shape from time to time. Both are held together by gravitational forces.

The part of the earth system that includes earths solid, rocky, outer layer is the

A child pushes horizontally on a box of mass m which moves with constant speed v across a horizontal floor. The coefficient of friction between the box and the floor is μ. At what rate does the child do work on the box?

What does offset mean

How far can a person run in 15 minutes if he or she runs at an average speed of 16 kilometers / hours?