Which statement describes potential energy?

How did astronomers use technology to identify characteristics of the Crab Nebula?

A car traveling at 26 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration?

What endocrine disorder can be prevented by regular exercise?

An air compressor is a device that pumps air particles into a tank. A particular air compressor adds air particles to its tank until the particle density of the inside air is 20 times that of the outside air.

An object falling in air has a weight of 25 N and experiences air resistance of 5 N, the net force on the object is ...

A force between two objects?

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?