Telescopes work by using optics which means light true or false

I don't know what category to put this in so forgive me if it's not the right one

Which is best used with a bar magnet to produce an electric current?

Average amount of time wind machines operate

What do you understand by classification of living things?

f the pressure of a sample of gas is doubled at constant temperature, what happens to the volume of the gas?

Equilibrium occurs when : Answers: the net force on the object is zero. all the forces acting on an object are balanced. the sum of the + x forces on an object equals the sum of the âx forces.

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?