An aircraft with the mass of 300000kg is flying at an altitude of 2000m with a speed of 100m/s

what is the kinetic energy of the aircraft

In 1998, scientists discovered that the expansion of the universe has been accelerating. What force is causing this phenomena?

Why does a light go out when you turn off the wall switch? -The switch absorbs the electrical energy. -The switch changes the direction of the flow of electrons. -The switch changes the circuit from series to parallel.

Energy is stored?

Do baking bread release or absorb energy

A person can only see object placed at 40cm from him state his defect

What is one benefit of a switch in a circuit?

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.