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VikaD [51]
3 years ago
9

The correct symbol for the metric (SI) unit of temperature isA: kB: tC: fD: c​

Physics
1 answer:
yulyashka [42]3 years ago
6 0
The correct symbol for measuring temperature is in (K)- for Kelvins. Hope this helped :)
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Theweight ofof body is 420N .Calculate its mass​
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42.87

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420/9.8 which equals 42.87.

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What is the difference between torque and the moment of a force ​
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If you wanted to increase the gravitational force between two objects what would you do
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A beam of light strikes one face of a window pane with an angle of incidence of 30.0°. The index of refraction of the glass is 1
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Answer:

(a). The angle of refraction is 19.26°.

(b). That is proved that the rays in air on either side of the glass are parallel to each other

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\sin r=\dfrac{\sin 30}{1.52}

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(b). We know that,

The incident ray and emerging ray  is equal then the ray will be parallel.

We need to prove that the rays in air on either side of the glass are parallel to each other

Using formula for emerging ray

\dfrac{\sin e}{\sin r}=\mu

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Put the value into the formula

\sin e=0.3289\times 1.52

e=\sin^{-1}(0.499)

e=29.9\approx 30^{\circ}

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The majority of which type of dancing was created in African American communities?
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