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
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Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?
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Prove the equivalence between the two statements of the 2nd law of thermodynamics (i.e., a violation of one statement leads to the violatio the other statement)
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