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Homework Help: Quick question: If a car speed increases, does its weight increase or decrease?

  1. Feb 4, 2009 #1
    why? why not?
  2. jcsd
  3. Feb 4, 2009 #2
    Yes, because weight is related to relativistic mass, not rest mass? But I should really brush up on the submarine paradox before committing too strongly..
  4. Feb 6, 2009 #3
    Yes, because gasoline is burnt and vented as exhaust. Unless it's not your normal car...
  5. Feb 6, 2009 #4


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    Staff: Mentor

    You must show your own work in order for us to help you on homework/coursework questions. What are your thoughts on why or why not?
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