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Geography, 27.07.2019 09:20 ineemorehelp
Aspacecraft with a proper length of 250 m passes by an observer on the earth. according to this observer, it takes 0.820 µs for the spacecraft to pass a fixed point. determine the speed of the spacecraft as measured by the earth-based observer.
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Aspacecraft with a proper length of 250 m passes by an observer on the earth. according to this obse...
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