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snow_lady [41]
2 years ago
8

When heating food, why do you think the oven gets hot to the touch while the microwave does not?

Physics
1 answer:
LenKa [72]2 years ago
4 0

Answer:

The oven has many different heat sources from the bottom, sides, top, etc...

The microwave only has the sides.

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What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 14 km and 49 k
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Answer:

\dfrac{I_1}{I_2}=12.25

Explanation:

r_1 = 14 km

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Intensity of a wave is inversely proportional to distance

I\propto \dfrac{1}{r^2}

So,

\dfrac{I_1}{I_2}=\dfrac{r_2^2}{r_1^2}\\\Rightarrow \dfrac{I_1}{I_2}=\dfrac{49^2}{14^2}\\\Rightarrow \dfrac{I_1}{I_2}=12.25

The ratio of the intensities is \dfrac{I_1}{I_2}=12.25

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: A 70 kg man and a 12 kg sled are on the frictionless ice of a frozen lake, 25 m apart but connected by a rope of negligible ma
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t = \sqrt{\dfrac{50}{0.8}}

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