[Special Relativity] A particle is moving with a world line as shown. What is the proper time of the particle? t[m] 00m.00 a. 16.4 [m] b. 10.7 [m] O c. 14.2 [m] O d. 11.5 [m] |(14]m).8m||| (G[m], 5/m]) r[m]
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![[Special Relativity]
A particle is moving with a world line as shown. What is the proper time of the particle?
t[m]
00m.0m)
O a. 16.4 [m]
O b. 10.7 [m]
O c.
14.2 [m]
O d. 11.5 [m]
(14m.8m)
r[m]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe601f682-48d1-4086-b403-d5478c33c8a0%2F42fcfbf0-0cb9-496c-86ba-bac0bf3f6223%2Fbld3cpw_processed.png&w=3840&q=75)
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- just part d4. Answer both of the following questions regarding Special Relativity: An astronaut leaves their twin behind on Earth and departs on a journey on a spacecraft travelling at a speed of 0.840c. After 40.0 years pass on Earth, the astronaut returns to Earth to find that their age is now different from their twin. How old is the astronaut upon returning to Earth? b) A muon, travelling at a speed of 0.999c, travels a distance of 10.0 km from the Earth's atmosphere to a muon detector on the surface of Earth (these distances are considered from Earth's perspective). How far does the muon travel from its own perspective?22. A 45.0 m long rocket travels at a speed of 0.945c past an observer who is at rest. What is the length of the moving rocket according to the observer? a) 14.7 m b) 32.7 m c) 45.0 m d) 138 m e) 61.9 m 3. Floot
- Find the kinetic energy of the objects in the scenarios. A. A cosmic pion of mass 140 MeV/?2140 MeV/c2 flies through outer space at a speed of 9.61×103 km/s9.61×103 km/s. See the hint for help converting MeV/?2MeV/c2 to kg.At a speed of 0.90c, a spaceship travels to a star that is 9.0 ly distant.a. According to a scientist on earth, how long does the trip take?b. According to a scientist on the spaceship, how long does the trip take?c. According to the scientist on the spaceship, what is the distance traveled during the trip?d. At what speed do observers on the spaceship see the star approaching them?1. A rocket flies toward the earth at c, and the captain shines a laser light beam in the forward direction. Which of the follow- ing statements about the speed of this light are correct? (There may be more than one correct answer.) A. The captain measures speed c for the light. B. An observer on earth measures speed e for the light. C. An observer on earth measures speed c for the light. D. The captain measures speed c for the light.
- 1. An astronaut travels to a distant star with a speed of 0.46c relative to Earth. From the astronaut's point of view, the star is 4.40 ly from Earth. On the return trip, the astronaut travels with a speed of 0.90c relative to Earth. What is the distance covered on the return trip, as measured by the astronaut? Give your answer in ly f60 ss 0 ssf60* f60 ss 0 ssf6 ssf60 ssf6Qa. What is vav,x for the interval from t = 0 to t = 3.60 s? answer in m/s b. What is vav,x for the interval from t = 0 to t = 3.50 s? anser in m/s30 3 $ 1.. 4 1 23| 1. Preparations are under way for a spacecraft visit to the Alpha Centauri star system, 4.30 lightyears away. Provisions are placed on board to allow for a trip of 8 years. a. What minimum speed must the spacecraft travel relative to earth if the provisions are to last? 000 000 F4 stv % b. What would be the distance between Earth and Alpha Centauri according to the astronauts at this minimum speed? c. How much time would the trip take according to someone on earth at this minimum speed? 5 F5 < CO 6 F6 4 & 7 ILI F7 * II 8 00 5 6 DII F8 ( 9 DD F9 F1
- 1 2. Preparations are under way for a spacecraft visit to the Alpha Centauri star system, 4.30- lightyears away Provisions are placed on board to allow for a trip of 8 years. a. What minimum speed must the spacecraft travel relative to Earth if the provisions are to last?A spaceship travels at 0.698c relative to Earth. If the spaceship fires a small rocket in the forward direction, how fast (relative to the ship) must it be fired for it to travel at 0.942c relative to Earth?? cA star is 16.6 light-years from Earth. Part A How long would it take a spacecraft traveling 0.950c to reach that star as measured by observer on Earth? tEarth = 53.25 Submit Previous Answers Request Answer Part B X Incorrect; Try Again; 4 attempts remaining t = 175| ΑΣΦ Submit Part C How long would it take a spacecraft traveling 0.950c to reach that star as measured by observer on the spacecraft? 1 = 15. ΑΣΦ Submit 5 Request Answer [ΠΙ ΑΣΦ www F Request Answer 2 ? What is the distance traveled according to observers on the spacecraft? ? years ? years light-years