A hydrogen atom emits a photon of energy 34 ev if the atom
A hydrogen atom emits a photon of energy 3.4 eV. If the atom is at rest before emitting the photon, what is the speed of the atom after emission?
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a rifle that shoots bullets at 470 msis to be aimed at a target 416 maway if the center of the target is level with the
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a certain atom of has 73 protons assume that the nucleus is a sphere with radius 654 fm and with the charge of the
a hydrogen atom emits a photon of energy 34 ev if the atom is at rest before emitting the photon what is the speed of
at some instant an alpha particle q2e has the coordinates 300000nm and is moving along the positive x axis with 500
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the half life of carbon-14 is 5730 years suppose the wood from an ancient campsite contains 500 of the carbon-14 found
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