A body of rest mass 1 kg moves at 0.6c. Its relativistic mass is:

  1. 2.5 kg
  2. 1.25 kg
  3. 12.5 kg
  4. 0.625 kg
Answer

B) 1.25 kg

m = gamma m0 = m0 1 - v^2/c^2 = 1.25 kg. SLO P-11-F-05 · Understanding

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