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If an object's mechanical energy is equal to its potential energy, how much kinetic energy does it have? how do you know?

  • Science -

    Since mechanical energy is the sum of kinetic and potential energy, the answer to your question is zero.

    E(mech) = E(pot) + E(kin)
    E(kin) = E(mech)- E(pot)= 0, in this case

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