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Physics, 14.08.2020 01:01 ryanbreland14
An intergalactic rock star bangs his drum every 1.30 s. A person on earth measures that the time between beats is 2.50 s. How fast is the rock star moving relative to the earth
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An intergalactic rock star bangs his drum every 1.30 s. A person on earth measures that the time bet...
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