A noncontact force, gravity, and a contact force, , both work on an object to stop its movement.

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Energy flows from the producer level to the level. is called

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?