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- A spaceship leaves Earth traveling at 0.60 c. A second spaceship leaves the first at a speed of 0.90 c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving. Express your answer using two significant figures. ΑΣΦ 画 ? Submit Request Answer Part B Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth. Express your answer using two significant figures. ΑΣφ ? Submit Request Answer IIAn electron moves in a detector with a relativistic energy of 24 MeV. The electron takes 203.6 s to pass through the detector (measured in the detector frame of reference). In which frame of reference do we measure the proper time? A) The electron frame of reference B) None of these answers C) The detector's repository D) Always in the teacher's repositoryWhat are (a) the kinetic energy, (b) the rest energy, and (c) the total energy of a 1.2 g particle with a speed of 0.80 c ? Part A Express your answer using two significant figures. ΜΕ ΑΣΦ Ekinetic=263 Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Part B Express your answer using two significant figures. ΜΕ ΑΣΦ Erest = Submit Request Answer Part C Express your answer using two significant figures. ΜΕ ΑΣΦ Etotal = Submit Request Answer ? ? ? J J J
- Starship Enterprise in "Star Trek" has a length of 288.646 m. What is it's relativistic length when it moves with speed of 0.7c in the direction parallel to its length? -210 m ~400 m3. Please answer these questions well explained. Scientists observe an electron travelling at 0.98 c. A. Calculates the total energy of the electron, in MeV, as measured by the scientists. B. Determines the kinetic energy of the electron, in MeV, as measured by the Scientists.2. Twin sisters, Anna and Zelma, are twenty years old. Anna stays on the Earth while Zelma gets on a 20.0-meter-long spaceship that travels at constant speed 0.98c to a distant star. The star is 9.00 lightyears away as measured by Anna. Zelma immediately turns around and travels back to the Earth at the same speed of 0.98c. a) What length does Anna measure for the spaceship while it is moving? b) Upon Zelma's return, which twin is seen to be older now on Earth and what is the age difference?
- 8. Adam and Avani are twins. On their 19th birthday, Avani leaves on a spaceship and travels at 0.80 c. Avani returns to Earth on the day that Adam is celebrating his 35th birthday. How old does Avani believe she is?At what speed is the magnitude of the relativistic momentum of a particle three times the magnitude of the nonrelativistic momentum? O 0.999c O 0.707c O 0.333c O.0.943c 4You are standing still on a spacecraft that is traveling toward the Sun and 0.25c. 1- How fast are you moving relative to a person that is on Earth observing your spacecraft's motion? 2- You get out your radar gun and point it at the Sun. What speed do you measure for sunlight, given that your spacecraft is traveling toward the Sun at 0.25 c? 3- At what speed, relative to c, do relativistic effects become significant?
- a) What is the kinetic energy of a 1.0 g particle with a speed of 0.800c? b) What is the rest energy of a 1.0 g particle with a speed of 0.800c? c) What is the total energy of a 1.0 g particle with a speed of 0.800c?Suppose a space vehicle with a rest mass of 150 000 kg travels past the International Space Station at a constant speed of 2.6 x 108 m/s with respect to the I.S.S. When an observer on the I.S.S. measures the moving vehicle, her measurement of the space vehicle length is 25.0 m. a) Determine the relativistic mass of the space vehicle. b) Determine the length of the space vehicle as measured by an astronaut on the space vehicle.A muon is created at an accelerator experiment. It moves with a spe0.95c. The muon mass is1.90×10−28 kg. What is its momentum? A.1.20×10−19 kg m/s B.1.73×10−19 kg m/s C.2.88×10−19 kg m/s D.3.59×10−19 kg m/s ( Please type answer note write by hend )