Physics, 01.10.2019 07:10 hdwoody2002
Two students walk in the same direction along a straight path at a constant speed. one walks at a speed of 0.90 m/s and the other at a speed of 1.9 m/s. assuming they have started at the same point at the same time, how much sooner does the faster student arrive at the destination 780 miles away?
a) 456 seconds
b) 411 seconds
c) 780 seconds
d) 867 seconds
Answers: 1
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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?
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