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On site since:
2017-05-25 22:56:21
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Questions
Physics, 27.07.2019 00:10
An atom with two energy levels corresponding to the transition (λo= 1 μm, tsp = 3, ms, δν = 107 hz, lorentzian lineshape) is placed in a resonator of...
Answer
Biology, 27.07.2019 00:10
Place the following events in synaptic transmission at a cholinergic synapse in order: a - a postsynaptic potential is produced; b - v...
Answer
Physics, 27.07.2019 00:10
Speakers a and b are vibrating in phase. they are directly facing each other, are 8.2 m apart, and are each playing a 78.0 hz tone. the speed of sound...
Answer
Physics, 27.07.2019 00:10
Afree electron with initial energy of 9 ev encounters a rectangular potential step of energy 12 ev and width of 0.4 nm. what is the probability that t...
Answer
Physics, 27.07.2019 00:10
Atwo dimensional ideal bose gas: n bosons of spin oland mass : / moving in a region of are. a with. n,a-→o , and finite concentration nan/a.ヤ the gas...
Answer
Business, 27.07.2019 00:10
Draw indifference curves to represent the following types of consumer preferences: a. i like both peanut butter and jelly and always get the same add...
Answer
Physics, 27.07.2019 00:10
Ahe-ne laser, with the resonator length of 100 cm, has a doppler linewidth ∆νd = 1.5 ghz and midband gain coefficient γ(νo) = 2 x 10-3 cm-1. the lengt...
Answer
Physics, 27.07.2019 00:10
An rc circuit contains a resistor (r ohms), a capacitor (c farads), a switch k, a source of emf e. assume that the switch k is closed at time t 0, r-1...
Answer
Physics, 27.07.2019 00:10
A12-pole, brushless, dc motor has a no-load speed of 5000rpm and a stall torque of 50 in-oz when operating at rated voltage of 60v. testing shows that...
Answer
Physics, 27.07.2019 00:10
Consider n massless non-interacting fermion, in three dimensional box of volume a) find the fermi energy as a function v and n at t-o k. b) find the a...
Answer
Physics, 27.07.2019 00:10
Obtain only the schrödinger radial equation solution for hydrogen atom , rn, l ®...
Answer
Physics, 27.07.2019 00:10
Resistor (r 900 , capacitor (c- 0.25f), and an inductor(-2.5 h) are connected in series across a 240 r ac source for which awax 105 v. caloulateallowi...
Answer
Physics, 27.07.2019 00:10
The conduction electrons in a metal could be approximated as free particles, which ane described by the fermi statistics. in order for the conduction...
Answer
Physics, 27.07.2019 00:10
Ui teligth 3.5 m and mass 30 kg that is leaning against a al liction between the ladder and wall is 0, and that between ladder and floor is 0.25. what...
Answer
Physics, 27.07.2019 00:10
Abeam of o - particles of energy 4 kev with a rate of 3x108 particles/s strikes a target, a 10- μm thick aluminum foil. a detector of cross-sectional...
Answer
Physics, 27.07.2019 00:10
For the op-amp circuit, shown in figure (1): . find expressions for the op-amp output voltage (vo) and the load current (i), as functions of vs and t...
Answer
Physics, 27.07.2019 00:10
14-el-a3 signals and communications (30 points) in a cellular system, a 200 khz bandwidth signal is transmitted at a carrier frequency of 937 mhz. the...
Answer
Physics, 27.07.2019 00:10
Find the following expectation values for and electron in the ground state of a harmonic oscillator potential. 7- a. and . b. and . [hint: no new int...
Answer
Physics, 27.07.2019 00:10
Ahot-rolled steel has a yield strength of syr-sye-170 kpsi and a true strain at fracture of 0.55. estimate the factor of safety for the following stre...
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Physics, 27.07.2019 00:10
Review part a an object is 29.0 cm from a screen what are the radi of a symmetric converging plastic lens (ie, two equally ourved surtaces) that will...
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