A closed system of mass 2 kg undergoes a process in which there is heat transfer of magnitude 25 kJ from the system to the surroundings. The elevation of the system increases by 700 m during the process. The specific internal energy of the system decreases by 15 kJ/kg and there is no change in kinetic energy of the system. The acceleration of gravity is constant at g = 9.6 m/s2 . Determine the work, in kJ.
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Answer:41560j
Explanation:
E1 = E2
30 + 25 = 2*9.6*700 + w
W = 41560
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