aditya23456 Messages 114 Reaction score 0 Thread starter Jun 14, 2012 #1 we know proper mass is always constant irrespective of frame ie its invariant(and conserved if I can say).so what's reason for this proper mass.?
we know proper mass is always constant irrespective of frame ie its invariant(and conserved if I can say).so what's reason for this proper mass.?
Simon Bridge Science Advisor Homework Helper Messages 17,871 Reaction score 1,653 Jun 15, 2012 #2 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.
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.