A rod of proper length 100 m moves at 0.6c along its length. An observer at rest measures its length as:

  1. 160 m
  2. 80 m
  3. 800 m
  4. 40 m
Answer

B) 80 m

L = L0 1 - v^2/c^2 = 100 1 - 0.6^2 = 80 m. SLO P-11-F-05 · Understanding

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