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MrMuchimi
3 years ago
9

Temperature difference in the body. The surface temperature of the body is normally about 7.00 ∘C lower than the internal temper

ature. Express this temperature difference in kelvins and in Fahrenheit degrees. Answer in the order indicated. Separate your answers using comma.
Physics
1 answer:
Nikolay [14]3 years ago
8 0

Answer:

Temperature difference in kelvin =7K

Temperature difference in Fahrenheit degree = 12.6°F

Explanation:

Temperature difference = 7°C

273 is added to the Celsius value to convert to kelvin temperature.However if 273 is added to both the initial and final values of the Celsius temperature values, then the difference still stays the same. Hence the difference in kelvin is 7K.

To convert the temperature difference to Fahrenheit we simply multiply 1.8

=7*1.8 = 12.6°F

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Given that,

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k_{1}=20\ N/m

k_{2}=30\ N/m

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According to figure,

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Using formula for series

\dfrac{1}{k}=\dfrac{1}{k_{2}}+\dfrac{1}{k_{3}}

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Put the value into the formula

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k and k_{4} is in parallel

We need to calculate the k'

Using formula for parallel

k'=k+k_{4}

Put the value into the formula

k'=10+20

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We need to calculate the equivalent stiffness of the spring

Using formula for series

k_{eq}=\dfrac{1}{k_{1}}+\dfrac{1}{k'}+\dfrac{1}{k_{5}}

Put the value into the formula

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