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Topic about masses (modern physics)

  • Thread starter tarekkkkk
  • Start date
27
0
1. Homework Statement
If a system is composed of n particles that are freely moving is M(system)=M(total masses of particles)(sum)


2. Homework Equations



3. The Attempt at a Solution

of course no , but these particles isnt photons or electrons my doctor didnt exacly told me what are they so how can i proove the answer is no PLEASE GIVE ME HINTS
 

Answers and Replies

rock.freak667
Homework Helper
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What is the rest of the question?
 
27
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this is the question >>
 
Dick
Science Advisor
Homework Helper
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If you think the answer is no, then you can pick whatever particle type you want and answer to show the statement is wrong. You just want a counterexample. Photons are a good choice.
 
Last edited:
27
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thank you, you really helped me how to think about the problem.....
 

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