dish of lasagna is being heated in a microwave oven. The eff ective area of the lasagna that is exposed to the microwaves is 2.2 × 10−2 m2 . The mass of the lasagna is 0.35 kg, and its specifi c 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?

dish of lasagna is being heated in a microwave oven. The eff ective area of the lasagna that is exposed to the microwaves is 2.2 × 10−2 m2 . The mass of the lasagna is 0.35 kg, and its specifi c 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?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter16: Waves

Section: Chapter Questions

Problem 79P: A device called an insolation meter is used to measure the intensity of sunlight. It has an area of...

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