How can inelastic collision actually have conserved momentum.

Click For Summary
SUMMARY

The discussion centers on the concept of momentum conservation in inelastic collisions, specifically addressing the implications of energy radiation, such as heat and acoustic energy. Participants clarify that while energy is radiated, the total momentum of the system remains conserved due to the interaction of the emitted radiation with the system. The relationship between mass and energy, as described by E = mc², is acknowledged, but it does not alter the conservation of momentum principle in this context.

PREREQUISITES
  • Understanding of classical mechanics principles, particularly momentum and energy conservation.
  • Familiarity with the concept of inelastic collisions and their characteristics.
  • Knowledge of the relationship between energy and mass as defined by Einstein's equation E = mc².
  • Basic grasp of radiation types, including heat and acoustic energy.
NEXT STEPS
  • Explore the principles of momentum conservation in various types of collisions, focusing on inelastic collisions.
  • Study the effects of energy radiation on system dynamics in classical mechanics.
  • Investigate the implications of E = mc² in different physical scenarios.
  • Learn about the momentum carried by different forms of radiation, including electromagnetic and acoustic waves.
USEFUL FOR

Physics students, educators, and anyone interested in the principles of momentum conservation and energy interactions in physical systems.

student34
Messages
639
Reaction score
21
When heat and acoustic energy are radiated from the system, doesn't this mean that the mass must have decreased as we know E = mc^2? I must be wrong, but I can't see where.
 
Physics news on Phys.org
Radiation has momentum too.
 

Similar threads

  • · Replies 25 ·
Replies
25
Views
4K
  • · Replies 12 ·
Replies
12
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 18 ·
Replies
18
Views
2K
  • · Replies 11 ·
Replies
11
Views
4K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 11 ·
Replies
11
Views
2K