Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel. During the process, 30 kJ of heat is transferred to the water, and 5 kJ of heat is lost to the surrounding air. The paddle-wheel work amounts to 500 N ˆ™ m. Determine the final energy of the system if its initial energy is 10 kJ

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5 kJ 500 N-m 30 kJ FIGURE P2-39