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Physics (Potential & Kinetic energy)

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A 2.0 kg rock falls from a height of 25 m to a point 20 m above the ground.
a) how much potential energy does it lose?
b) How much kinetic energy does it gain?


  • Physics (Potential & Kinetic energy) - ,

    It loses mgh PE
    it gains mgh KE

    You can calculate those.
    You can also calculate the KE from the final velocity .

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