CP2 Final Exam Questions & Answers 2024
CP2 Final Exam Questions & Answers 2024 Which of the following are basic postulates of special relativity? a) nothing can travel faster than the speed of light. b) no material object can be accelerated to the speed of light. c) the speed of light is the same for all observers. d) the laws of physics are the same in all reference frames. e) the laws of physics are the same in all inertial reference frames. - ANSWER-c, e if you were in a spaceship traveling close to the speed of light with respect to earth, you would notice that a) some of your physical dimensions were smaller than normal b) your mass was less than normal c) your mass was greater than normal d) your pulse rate was greater than normal e) none of the above effects occur - ANSWER-e observer A sees a pendulum oscillating back and forth in a relativistic rocket and measures its period to be TA. observer B moves along with the rocket and measures the period of the pendulum to be TB. What is true about these two time measurements? a) TATB b) TA=TB c)TATB d) TA could be greater or smaller than TB - ANSWER-a a 30 year old astronaut goes on a long-term mission in a spacecraft that travels at speeds close to c. the mission lasts 20 years according to earth. at the end of the mission, the astronaut's age would be a) more than 50 years
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- Subido en
- 10 de febrero de 2024
- Número de páginas
- 7
- Escrito en
- 2023/2024
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- Examen
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