A rod of proper length 10 m moves at 0.99c along its length. An observer at rest measures its length as:

  1. 14.1 m
  2. 1.41 m
  3. 0.705 m
  4. 2.82 m
Answer

B) 1.41 m

L = L0 1 - v^2/c^2 = 10 1 - 0.99^2 = 1.41 m. SLO P-11-F-05 · Understanding

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