Please help Due at 11:59 I’m lost.
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When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
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J. j. thomson’s experiment disproved the theory that an atom
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The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
Answers: 1
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