A star is moving away from Earth at a speed of 2.3x10^8 m/s. Light of wavelength 578 nm is

Science
Tutor: None Selected Time limit: 3 Days

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A 3.5

Aug 12th, 2013
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Aug 12th, 2013

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Aug 12th, 2013
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Aug 12th, 2013
Dec 8th, 2016
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