Physics, 26.02.2020 03:11 johrenandez
Two identical spin-zero bosons are placed in an infinite square well (Equation 2.22V(x1,x2)=−aV0δ(x1−x2)). They interact weakly with one another, via the potential (where is a constant with the dimensions of energy, and a is the width of the well). (a) First, ignoring the interaction between the particles, find the ground state and the first excited state—both the wave functions and the associated energies. (b) Use first-order perturbation theory to estimate the effect of the particle– particle intera
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Physics, 21.06.2019 16:00
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 2
Physics, 22.06.2019 11:10
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Two identical spin-zero bosons are placed in an infinite square well (Equation 2.22V(x1,x2)=−aV0δ(x1...
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