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Physics, 05.04.2021 07:20 lilycious3986
A coal power plant station generates electricity at night when it is not needed. Some of this energy is stored by pumping water up to a mountain lake. When there is high demand for electricity, the water is allowed to flow back through a turbine to generate electricity.
1- Write down the forms of initial and final energy transfer.
2- On one occasion, 2000 kg of water is pumped up through a vertical height of 500 m. Calculate the gravitational potential energy. (g= 10 m/s^2)
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A coal power plant station generates electricity at night when it is not needed. Some of this energy...
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