A man exerts 500 Newtons of force to move a piece of furniture 2 meters. If it takes him 4 seconds to move the furniture, how much power does it require?

What happens to atoms and chemical bonds during a reaction?

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference