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Physics, 21.06.2019 15:00, samafeggins2
Air flows upward in the wick of a lantern because of the liquid property called
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Physics, 22.06.2019 19:30, cakey3501
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
Physics, 23.06.2019 00:30, oldless504
What practical value did astronomy offer to ancient civilizations?
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The net force on a golf cart is 390 N north. If the cart has a total mass of 270 kg,
what are the m...
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