paceships A and B move in opposite directions at the same speed of 0.673c relative to earth, with A moving away from earth and B moving toward earth. Find the velocity of B relative to A.
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Spaceships A and B move in opposite directions at the same speed of 0.673c relative to earth, with A moving away from earth and B moving toward earth. Find the velocity of B relative to A. 0 is not the correct answer
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- A1. (a) A large rocket ship traveling away from Earth at a speed of 0.4c launches a shuttle which also travels in the direction away from earth. From an observer on the rocket ship the shuttle is receding at a speed of 0.6c. Calculate the velocity of the shuttle for an observer on Earth. (b) A spaceship leaves Earth and travels in a fixed direction with constant speed 0.80c in the Earth's reference frame. A video call is set to be made from the spaceship exactly one year after launch, as measured by a clock on the spaceship. (i) Calculate how far away from Earth the spaceship is (in light-years) when the video call is made. (ii) Calculate how long after the departure time, as measured on Earth, before the video call is received on Earth. The call is transmitted by radio waves.A spaceship travels from Mercury to Mars at a speed of 0.81c relative to the Earth. Assume Earth, Mars and Mercury don’t move relative to each other. The time of the trip as measured by an Earth observer is 700 seconds. W What is the distance between Mercury and Mars as measured by a passenger on the spaceship?A rocket is moving from the Moon to Mars (a distance of about 8.64×107 km) at 0.93c. What distance would an observer on the rocket measure, and what distance would an observer on the Moon measure?
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- A person on earth notices a rocket approaching from the right at a speed of 0.79c and another rocket approaching from the left at 0.55c. What is the relative speed between the two rockets, as measured by a passenger on one of them?The nearest star to Earth is Proxima Centauri, which is 4.3 light years away. The spacecraft Potemkin is sent to this star at a constant velocity of 0.73c, and the craft carries a light beacon that flashes once a day to signal the earth that all is well. While traveling to the star the Potemkin passes a similar ship returning from the star at the same speed. How long does the trip take according to the space travelers inside the Potemkin? (b) (a) How long does the trip take according to Earth observers? (c) According to the space travelers inside the Potemkin, what is the distance to Proxima Centauri? (d) What is the speed of the returning craft as seen from the Potemkin What is the rate at which flashes are seen on Earth from the Potemkin? (e) (f) What is the rate of flashes sent by the returning craft as seen by the Earth observers?a) Galactus tries to destroy the Earth by stopping the Moon in its orbit. What effect would this have on the Moon and on the Earth? b) To prevent this, Flash (sorry, wrong company) runs to the Moon at a speed of 0.998c. From his point of view, the trip takes 0.126 s. How long does it take from our point of view on Earth?
- 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 spaceship moves past Earth with a speed of 0.808c. As it is passing, a person on Earth measures the spaceship's length to be 78.7 m. HINT (a) Determine the spaceship's proper length (in m). m (b) Determine the time (in s) required for the spaceship to pass a point on Earth as measured by a person on Earth. s (c) Determine the time (in s) required for the spaceship to pass a point on Earth as measured by an astronaut onboard the spaceship. s1. Consider inertial reference frame S to be the lab frame. A proton is moving in the positive x (+x) direction at a kinetic energy of 1250 MeV, as measured in frame S. Inertial reference frame S' moves at a speed of 0.55c in the positive-x (+x) direction relative to frame S. a) Find the speed of the proton in terms of the speed of light, c, as measured in frame S. b) Find the magnitude and direction of the speed of the proton as measured in frame S'.