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what is reason for proper mass according to SR/GR.? |
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| Jun14-12, 12:46 PM | #1 |
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what is reason for proper mass according to SR/GR.?
we know proper mass is always constant irrespective of frame ie its invariant(and conserved if I can say).so whats reason for this proper mass.?
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| Jun15-12, 07:41 AM | #2 |
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The reason it is important to use proper mass is well described in wikipedia:
http://en.wikipedia.org/wiki/Invariant_mass ... generally it is useful to look for things that all observers can agree on - it makes the math simpler. |
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