All Questions
5
questions
13
votes
6
answers
21k
views
What happens to the mass of a burned object?
If I were to burn a pile of wood weighing a hundred kilograms and I would have a big sack hanging over the burning pile. In this sack I would catch all the smoke that came from the burning pile, if ...
- 179
2
votes
0
answers
59
views
Are conservation of mass and conservation of energy *independent* constraints for physical systems?
I'm modeling fluid systems and want to use conservation of mass (aka 'continuity') and conservation of energy as constraints to help solve for certain system parameters. But it occurred to me that the ...
- 11.7k
2
votes
5
answers
3k
views
Conservation of mass in relativistic collisions?
It's stated in my textbook that relativistic mass is conserved in collisions, even in inelastic ones. So if you have a particle with rest mass $m$ moving with speed $u$ (considerable fraction of the ...
- 1,307
0
votes
2
answers
246
views
Law of conservation of mass
Can $E=mc²$ be treated as violation to law of conservation of mass? I mean should it be more correct to tell" total energy and mass of the universe" is conserved than" total mass of universe is ...
24
votes
7
answers
10k
views
What is the symmetry which is responsible for conservation of mass?
According to Noether's theorem, all conservation laws originate from invariance of a system to shifts in a certain space. For example conservation of energy stems from invariance to time translation.
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