Solved: A dish of lasagna is being heated in a microwave
Chapter 16, Problem 16.112(choose chapter or problem)
A dish of lasagna is being heated in a microwave oven. The effective area of the lasagna that is exposed to the microwaves is 2.2 102 m2 . The mass of the lasagna is 0.35 kg, and its specific heat capacity is 3200 J/(kg C). The temperature rises by 72 C in 8.0 minutes. What is the intensity of the microwaves in the oven? *
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