23. A man goes to the Polar Star and immediately returns to the earth on a...
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23. A man goes to the Polar Star and immediately returns to the earth on a rocket. Calculate the age difference between him and his twin sister who stayed on earth. The velocity of the rocket is 0.8 c and the Polar Star is 40 light years away from the earth. 24. Two particles approach one another. Calculate their relative speed if each has a speed of 0.9 c with (Ans. 40 y) respect to the laboratory. 25. A K° meson at rest decays into t and t particles each having a speed of 0.85 c. If a K" meson travelling at a speed of 0.9 c decays, what is the maximum speed one of the pions can have? What is the least speed? (Ans. 0.995 c) (Ans. 0.9915 c, 0.212 c) 23. A man goes to the Polar Star and immediately returns to the earth on a rocket. Calculate the age difference between him and his twin sister who stayed on earth. The velocity of the rocket is 0.8 c and the Polar Star is 40 light years away from the earth. 24. Two particles approach one another. Calculate their relative speed if each has a speed of 0.9 c with (Ans. 40 y) respect to the laboratory. 25. A K° meson at rest decays into t and t particles each having a speed of 0.85 c. If a K" meson travelling at a speed of 0.9 c decays, what is the maximum speed one of the pions can have? What is the least speed? (Ans. 0.995 c) (Ans. 0.9915 c, 0.212 c)
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Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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