Which feature of a wave determines uts color in

A car travels at 80 km/h on a level road in the positive direction of an x axis. Each tire has a diameter of 66 cm.

What does sound travel throu better

Describe how the energy from stars is release?

Energy Race Around The World French Guiana Answers with direction

What happens when a star's core runs out of hydrogen and why does this occur?

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also feels warm to touch.

Which part of the motor is responsible for reversing the flow of current?

In a generator, as the magnet spins, opposite poles of the magnet push the electrons in opposite directions. This back-and-forth movement of electrons is called what? A) revolutions per minute B) direct current C) alternating current.

A train travels at a speed of 30 miles/hour and traveled a distance of 240 miles. How long did it take the train to complete its journey?

What is the mass number of a potassium atom that has 20 neutrons