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    • Thread Starter

    Regarding potential energy with regards to phase changes I have several difficulties in understanding it so any help with these would be appreciated.

    1) What is the potential energy?
    2) Why does the potential energy only increase at certain points (e.g. water at 100 degrees celsius) and not for the entire period energy is being inputted?
    3)Why does the kinetic energy not transfer to the potential energy and vice versa?
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