Conservation of momentum k And the [solution]
, momentum has special properties that are to be protected at all times. (Do not add up At the same time, it's not meant to be), even in a collision. Kinetic energy is not conserved in collisions. If a collision is an inelastic collision. Due to conservation of momentum already. This makes it possible to calculate the speed of the crash was not aware of the
problems in physics, which requires the truth of these. It is the collision of two particles. The sum of the momentum before the collision is equal to the sum of the momentum after the collision, always.
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