Windmill is an example of

calculate the velocity of a water wave if the frequency is 390 hz, the wavelength is 5.2m, and the amplitude of the wave is 3.76cm pdf

What is a group of individuals of the same species living in the same geographic area

Stars combine Hydrogen to make Helium during nuclear fusion. Living things are made of heavier elements like Carbon, Oxygen, Iron, and Calcium. How did these elements form?

If a person weighs 90 N on Earth, and the gravitational acceleration due to the Moon's gravity is 1.62 m/s2, how much would the person weigh on the Moon?

A true hero is the unifying force in the diverse society

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