During an inelastic collision between two bodies, which of the following quantities always remain conserved?
| 1. | total kinetic energy |
| 2. | total mechanical energy |
| 3. | total linear momentum |
| 4. | speed of each body |
(3) Hint: Apply the concept of conservation of momentum.
When we are considering the two bodies as a system the total external force on the system will be zero.
Hence. total linear momentum of the system remains conserved.
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