Two particles approach each other with a velocity of 0.9 c. What is their relative velocity as observed by A? a) 0.9 c b) 0 c) 0.99 c d) 0.94 c
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Two particles approach each other with a velocity of 0.9 c. What is their relative velocity as observed by A?
a) 0.9 c
b) 0
c) 0.99 c
d) 0.94 c
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- Two electrons, A and B are approaching each other along a common straight line. Each has a constant speed of 0.6c as measured in the laboratory. What is the total energy of electron B as measured in the rest frame of A? Electron rest mass = 0.51 MeV/c. a) 3.1 MeV b) 1.1 MeV c) 6.3 MeV d) 0.7 MeV e) 5.4 MeV f) 2.3 MeVWhat is the total energy of an electron moving with a speed of 0.950 c? a. 2.6 x 10-13 J b. 1.1 × 10-13J c. 1.2 x 10-14 J d. 8.2 × 10-14 J6. An unknown ship is traveling at 0.8 c to the left as measured by someone on the Earth. Earth sends space ship traveling to the right at 0.9 c to intercept the ship. Eanh a) What is the velocity of the alien space ship as measured by the ship from Earth? b) If the Earth ship fired a laser at the alien ship, what would be the velocity of the laser according to someone on the alien ship?
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