Special Relativity Quiz

Special Relativity Quiz

263 Responses | Created by wathens |

Practice applying the Lorentz transformation (relativity factor) to these situations. Verify time dilation, length contraction, and mass increase with speed.

Relativistic Factor = SQRT[ 1 - v2/c2 ]

  1. 1

    A muon has a lifetime of 2.2E-8 s in its own rest frame. If it travels with a speed of 0.95c, how far will it travel before it decays?

  2. 2

    A meter stick flies by with an apparent length of 60 cm. What is its velocity (in m/s)?

  3. 3

    A space ship travels to Alpha Centuri which is about 4 light years away from earth. How far does this distance appear to you if you are on a space ship traveling at 0.99 c?

  4. 4

    A space ship with a mass of 8,000 kg would have what mass if it were traveling at 0.77 c?

  5. 5

    What would the mass of a 9.11 X 10-31 kg electron be if it were to travel at c?

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