physics

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an object weighing 15 newtons is lifted from the ground to a height of 0.22 meter. What is the approximate increase in the object's gravitational potential energy?

  • physics -

    Multiply the two numbers. That will be the answer, in Joules

  • physics -

    but what about gravity? Why not 15x9.81x.22?

  • physics -

    15 N is mass *acceleration. In this case, acceleration= gravity.

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