A person does 30 kJ work on 2 kg of water by stirring using a paddle wheel. While stirring, around 20.92 kJ of heat is released from water through its container to the surface and surroundings by thermal conduction and radiation. What is the change in internal energy of the system? O 50920 O None of these 9080 J -50920 REDMI NOTE 8 PRO AI QUAD CAMERA

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