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6. | A man, who weighs 60 kg on earth, weighs 61 kg on a rocket, as measured by an observer on earth. What is the speed of the rocket? | |
A. | 2.5 X 108 m/s | |
B. | 2.5 X 107 m/s | |
C. | 5.5 X 107 m/s | |
D. | 5.5 X 108 m/s | |
Answer: Option C | |
Explanation: | |
Now, as we know m = m01−V2c2√ |
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