Engineering, 10.10.2019 22:00 tahjaybenloss16
Which answers below best describe the definition of collision density? (mark all that are correct)
multiple answers:
you can select more than one option
a
it is the interaction rate i. e. interactions/sec.
b
it is the macroscopic cross-section times the beam intensity.
c
it is the interaction rate density i. e. interactions/cm^3-sec.
d
it is the sum of all of the macroscopic cross-sections for the material.
Answers: 2
Engineering, 04.07.2019 18:10
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
Answers: 1
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Answers: 3
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
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Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Which answers below best describe the definition of collision density? (mark all that are correct)<...
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