Why is it that when the moon is farthest away from the sun, its the brightest? shouldn't it be the darkest if the earth's shadow blocks out the moon most of the time?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?

Mark creates a graphic organizer to review his notes aboutelectrical force. which labels belong in the regions marked x and y?