The effect of a cool, dilute gas between an observer and a continuous hot source is that .)the spectral lines will be broadened by the heat from the sourceb.) dark absorption lines will appear in the spectrumc. )the peak of the continuous spectrum will be shifted toward lower frequenciesd.) the peak of the continuous spectrum will be shifted toward higher frequenciese.) bright emission lines will appear in the spectrum
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Physics, 22.06.2019 12:00
In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c
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Physics, 22.06.2019 15:00
Holes drilled several kilometers into earthâs crust provide direct evidence about earthâs interior in the form of
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Physics, 22.06.2019 15:10
Suppose that f : rn â rm and that a â k, where k is a connected subset of rn . suppose further that for each x â k there exists a δx > 0 such that f(x) = f(y) for all y â bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x â k
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Physics, 22.06.2019 15:30
Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?
Answers: 2
The effect of a cool, dilute gas between an observer and a continuous hot source is that .)the spect...
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