Suppose you stay home on Earth while your twin sister takes a trip to a distant star and back in a spaceship that travels 80% c. If both of you are 25 when she leaves and you are 40 when she returns, how old is your sister when she gets back?
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A: GIVEN: Age of both twins Fred and George =19 yrs distance d =12 ly speed of Fred v1 =0.9c speed of…
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A: This is a problem from special theory of relativity. We have to use the velocity addition theorem to…
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- An astronaut on a space station is moving away from earth at 0.6 c. A spacecraft mannedby a different astronaut is heading towards him in the direction of earth at 0.6 c relative to the space station.Mission control sits on earth and observes both crafts. The first astronaut watches a film in his space station.All three observers time how long the film takes. Who measures the film’s proper time?Twins who are 19.0 years of age leave the earth and travel to a distant planet 12.0 light-years away. Assume that the planet and earth are at rest with respect to each other. The twins depart at the same time on different spaceships. One twin travels at a speed of 0.867c, and the other twin travels at 0.515c. (a) According to the theory of special relativity, what is the difference between their ages when they meet again at the earliest possible time? A₂-A₁ = i (b) Which twin is older?Your clocks and calendars are synchronized with the clocks and calendars in a star system exactly 10 ly from earth that is at rest relative to the earth. You receive a TV transmission from the star system that shows a date and time display. The date it shows is June 17, 2050. When you glance over at your own wall calendar, what date does it show?
- You are on a spacecraft traveling away from the earth at 0.75 c�. A beacon on earth flashes exactly once per second. From your point of view, what is the time between one flash reaching your ship and the next? answer=4.0s From your point of view, what is the time between one flash reaching your ship and the next? answer= 2.6s How did they get these?? IF your able to understand how mastering go these please show me how to solve it using .80 instead of .75 ANSWER IS NOT 1 or 1.67An astronaut left Earth in a spaceship at a speed of 0.95c relative to an observer on Earth. The astronaut traveled to a star system 16.5 LY away. Neither the astronaut, nor the observer on Earth agreed how long trip took. Let Earth represent the rest frame What is proper length? Who has the proper length? Who has the proper time? what is the proper time? What is the difference between the passage of time recorded by someone on Earth versus someone on the spaceship. rest frame a. Who had proper length?1. You are an observer in a 100-m long spacecraft traveling from the earth to the moon at 0.8c. (a)What is the proper length of the spacecraft? (b) For a proper time interval of 1 sec., the relativistic time interval for the spacecraft measured from the earth reference frame would be: (c)Time dilation does not apply to all time-dependent physical and biological processes. T/F? (c) What is the relativistic length, DL measured from the reference frame of earth? (d) An APOLLO crew left a flat mirror reflector on the surface of the moon (for all you deniers out there, in the 50th anniversary year of APOLLO 11!). If the average surface-to-surface distance from the earth to the moon is 3.83 x 10^8 m, then how long does it take moonlight to reach earth?
- A star is located 42.8 lightyears from Earth. A spaceship travels to the star with a speed of 0.9870c. If an astronaut aboard the spaceship is 21 years old when the spaceship leaves Earth, how old is she when she reaches the star: a) According to an observer on Earth? b) According to her?The identical twins Speedo and Goslo join a migration from the Earth to Planet X, which is 20.0 light-years away in a reference frame in which both planets are at rest. The twins, of the same age, depart at the same time on different spacecraft. Speedo's craft travels steadily at 0.905c, Goslo's at 0.680c. Calculate the age difference between the twins after Goslo's spacecraft lands on Planet X. Which twin is the older? Goslo is older by years.Answer both of the following questions regarding Special Relativity: a) 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. Both twins were 20 years old when the journey started. How old is the astronaut upon returning to Earth?
- Imagine a spaceship approaching Earth at speed v=(0.75c) c, which sends a message capsule toward Earth at speed 0.1 00c (relative to the ship). Calculate the speed of the capsule relative to Earth in terms of c.Suppose a spaceship is approaching the Earth at 0.125c and a message capsule is sent toward it at 0.125c relative to the Earth What is the ratio of the capsule’s speed, as measured on the spaceship, to the speed of light?A ship is heading off to Bernard's star at 0.700c. As it passes a space station (at rest with respect to the Earth) a few days out from Earth, the ship fires a "photon torpedo" in the forward direction and another in the reverse direction. the torpedoes have a speed relative to the ship of 0.700c. On a space-time diagram, determine the direction and speed of each torpedo as seen by the station. Check your answers using the relativistic addition of velocities formula.