Estimate the speed of the galaxy relative to the earth

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A distant galaxy emits light that has a wavelength of 499.8 nm. On earth, the wavelength of this light is measured to be 503.8 nm. Find the speed of the galaxy relative to the earth. (Give your answer to 4 significant digits. Use 2.998 x 108 m/s as the speed of light.)

Reference no: EM13520480

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