3 years ago

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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