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What is the momentum of a 2 kg object moving at 15 meters per second

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost