Physics, 04.09.2020 14:01 Jaylen52709
Problems 2-A 900W microwave generator in an oven generates energy quanta of frequency 2560
MHz (a) How many energy quanta does it erit per second? (b) How many energy quanta must be
absorbed by a pasta desh placed in the radiation cavity to increase its temperature by 45K? Assume
that the dish has a mass of 0.5kg and that its specific heat is 0.9 kcal/kg. K. (c) Assume that all energy
quanta emitted by the generator are absorbed by the pasta dish. How long must we wait until the
dish is (b) is ready?
Answers: 3
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John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?
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Which transition by an electron will release the greatest amount of energy? oa ob oc od
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Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
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Problems 2-A 900W microwave generator in an oven generates energy quanta of frequency 2560
MHz (a)...
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