Answered You can hire a professional tutor to get the answer.
A hydrogen atom emits a photon of energy 3.0 eV. If the atom is at rest before emitting the photon, what is the speed of the atom after emission?
A hydrogen atom emits a photon of energy 3.0 eV. If the atom is at rest before emitting the photon,
what is the speed of the atom after emission?