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taurus [48]
3 years ago
10

The __________ energy in food is changed into mechanical energy by your muscles.

Physics
1 answer:
Orlov [11]3 years ago
8 0
Potential energy which is the stored energy an object has waiting to be used
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Canola oil is less dense than water, so it floats on water, but its index of refraction is 1.47, higher than that of water. When
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Answer:

therefore critical angle c= 69.79°

Explanation:

Canola oil is less dense than water, so it floats over water.

Given n_{canola}= 1.47

which is higher than that of water

refractive index of water n_{water}=1.33

to calculate critical angle of light going from the oil into water

we know that

sinc= \frac{n_{water}}{n_{canola}}

now putting values we get

sinc= \frac{1.33}{1.47}

c= sin^{-1}(\frac{1.33}{1.47} )

c=69.79°

therefore critical angle c= 69.79°

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