As your friend speeds past you you measure her rocket to be 8.4 m long but when her rocket was parked In your back yard it was 6.5 m long. How fast is she going? Please express your answer as a fraction of the speed of light; for example if her speed is 1.5x10^8 m/s = .5 c, your answer would be .5
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As your friend speeds past you you measure her rocket to be 8.4 m long but when her rocket was parked In your back yard it was 6.5 m long. How fast is she going? Please express your answer as a fraction of the
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- Particle X has a speed of 0.850 c and a momentum of 8.85×10-19 kgm/s. What is the mass of the particle? 1.8286*10^27kg Hints: The classical momentum of an object is the product of its mass and its velocity. How does the relativistic momentum look like compared to the classical momentum? Submit Answer Incorrect. Tries 3/99 Previous Tries What is the rest energy of the particle? Tries 0/99 What is the kinetic energy of the particle? Submit Answer Tries 0/99 What is the total energy of the particle? Submit Answer Tries 0/99 Submit AnswerA clock is moving at v =(4/5)c. c is the speed of light. The clock passes our clock when both clocks read t = 0. When the moving clock reads t = 30 s, what will the clocks in our frame read?An elementary particle of a mass m, moving to the right with v=0.800 c after leaving an accelerator, collides with and sticks to an identical particle initially at rest. What is the speed of the combined particles? CHOICES: a. 0.300 c b. 0.400 c c. 0.500 c d. 0.600 c
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- Suppose 5 rocketships are all traveling in â in some frame S. The speeds are: St (min) 100 B 0 0.25 0.5 0.75 0.99 7 1 How much time passes on the clocks inside each rocketship if 100 minutes elapse on the stationary rocketship?In the Marvel comics universe, Quicksilver is awfully fast. Let's say he can run at a velocity of 0.56c. He measures a trip as having a distance of 4.60e+05 m. How much time does Quicksilver measure this trip as taking? 2.73e-3 S Does Quicksilver measure the proper or dilated time? 2 proper time v Quicksilver's sister, Wanda Maximoff, is standing stationary near where he is running. How much time does Wanda measure this trip as taking? 3 3.29e-3 S What distance does Wanda measure for Quicksilver's trip? 4 XmA rocket speeds by the earth at 0.77c. The earthlings measure the moving rocket to be 158 m long. What is the length of the rocket as measured by the passengers on the rocket? Please give your answer in meters. 247.63
- Tony & Yuki are working at a particle linear accelerator that is 414 meters long. A particle is moving at 0.89 c in the accelerator. What is the length of the particle accelerator in meters according to the particle? Give your answer with no decimal places please.Two atomic clocks are synchronized. One is placed on a satellite which orbits around the earth at high speeds for a whole year. The other is placed in a lab and remains at rest with respect to the earth. You may assume both clocks can measure time accurately to many significant digits. a)Will the two clocks still be synchronized after one year? b) imagine the speed of light is much lower than its actual value. How would the results of this experiment change if the speed of light was only twice the average speed of the satellite? Explain your reasoning using a calculation.A rocket is traveling through space and its Lorentz factor (y) is 3.9. Determine the rocket's speed (in terms of c) and the ratio of its kinetic energy to its total energy. V= ? X c KE/E= ?