Is it possible for a person to have zero mechanical energy? Why do you say so?
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Is it possible for a person to have zero mechanical energy? Why do you say so?
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Answer:
NO!
Since, mechanical energy is the sum of kinetic energy and potential energy. And as given that, momentum of the body is zero, it means velocity of the body is zero, so it has kinetic energy equals to zero. So, even if the momentum of the body is zero, it may have mechanical energy.
Explanation: