Question

An object of mass 20kg is dropped from a height of 4m.calculate the total energy of object when the object is located the heights of 3m.given=9=10m/s square

Answer 1

Answer:

SoLuTiOn

mass = 20kg

height = 4m

P.E = mgh

=> 20×10×4

=>800J ( answer)

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Answer 2

Answer:

Already answered...⬆....