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physical science

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If gravity is the only force present, what is the total mechanical energy of a box falling of a truck at a time when it's potential energy is 100J and it's kinetic energy is 150J?

  • physical science -

    250 , just add

  • physical science -

    Be aware that the value of potential energy depends upon the location where you define it to be zero. That location is arbitrary.

    Damon's answer is correct; I just object to the wording of the question.

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