A star is moving away from us at a speed of 005c if a
A star is moving away from us at a speed of 0,05c. If a spectroscopic line from an atom in the star has a wavelength 1050 nm in its rest frame, what is the wavelength of that line as seen with us?
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helium has the special property that its internal energy is directly proportional to its absolute temperature think a
consider a person that is nearsighted and can clearly focus on objects that are no farther than 28 m away from her
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a diverging lens f ndash120 cm is located 190 cm to the left of a converging lens f 270 cm a300-cm-tall object stands
a star is moving away from us at a speed of 005c if a spectroscopic line from an atom in the star has a wavelength 1050
you are playing by a lens and you find that for a certain position of an object in front of it you can project the
an rc circuit is formed with connecting a 7 ohm resistor and a 25 mu f capacitor in series with ac voltage generators
a 100 m 3 container of air absorbs 5857 j of heat at a constant pressure of 100 atm air has a density of 120 kgmnbsp 3
the temperature of a quantity of ideal gas is increased by a factor of 500 and its volume is decreased with a factor of
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