Physics, 19.03.2020 21:39 Bunnybear8099
A hydrogen atom in a galaxy moving with a speed of 6.65×106 m/ away from the Earth emits light with a wavelength of 5.13×10−7 m. What wavelength would be observed on Earth from that hydrogen atom?
Answers: 2
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In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than
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Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?
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If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
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What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
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A hydrogen atom in a galaxy moving with a speed of 6.65×106 m/ away from the Earth emits light with...
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