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A stone has initial potential, kinetic and internal energy 7 J, 10 J and 2x J respectively, if the final kinetic energy, potential energy and internal energy are 5 J, 21 J and x respectively, what is the final internal energy?

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Topics in this quiz include: Potential energy, kinetic energy, internal energy and their conversion concepts, energy balances for open, closed, steady and unsteady state systems, phase transitions and heat capacity equations.


A stone has initial potential, kinetic and internal energy 7 J, 10 J and 2x J respectively, if the final kinetic energy, potential energy and internal energy are 5 J, 21 J and x respectively, what is the final internal energy?






 
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