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  1. Vahsek

    F=ma and e=mc^2?

    Drakkit, dipole is right. The method you explained works only for very small speeds compared to that of light. F=ma is no longer accurate at very high speeds. You're not taking into account the the different inertial frames of reference. For instance you cannot use F=ma for an object...
  2. Vahsek

    F=ma and e=mc^2?

    Not really. You see, in e=mc^2 , e is the rest energy of a body and m is the rest mass of the body, which is different from the mass when the body is in motion. This is derived in special relativity as a result of the speed of light being the same for all inertial observers. You can research...
  3. Vahsek

    String theory: simple question.

    Hi everyone, I've always wondered what's that fuss for unifying general relativity and quantum mechanics all about. I stumbled upon things like string theory(or M theory) and even loop quantum gravity( which I think is as good as string theory despite rumors). My...
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