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Sayan Hati posted an Question
September 14, 2021 • 17:23 pm 30 points
  • IIT JAM
  • Physics (PH)

Special theory of relativity

when a ball falls from a height H then its Total mechanical energy remains constant , but According to STR its total energy keeps increasing as E(total) = E(rest energy) + Kinetic energy , So why does both theory have different concepts of energy

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  • Dr suman 1 best-answer

    because when particles travel with the velocity as compared to speed of light then its mass increases.. and kinetic energy is equal to mc2, as m increases their energies is also increases.

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