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hermiz hermiz
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Posts: 569
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6 years ago
If we could observe a spacecraft actually traveling past us at the speed of light, we would measure its mass to be
A) zero
B) slightly greater
C) infinite
D) the same as at rest
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 82 times
1 Reply
Life in the Universe, 4/E (Bennett, Shostak)
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19Clyde19Clyde
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Posts: 584
6 years ago
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