2 years ago

Water displacement is used to find what?a. volume b. density

Physics

1 answer:

Alex2 years ago

4 0

Answer:

Volume

Explanation:

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The height of the Washington Monument is measured to be 170 m on a day when its temperature is 35.0°C. What will the change in i

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Answer:

The deformation is 0.088289 m

The final height of the monument is 170-0.088289 = 169.911702 m

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Thermal coefficient of marble varies between (5.5 - 14.1) ×10⁻⁶/K = α

So, let us take the average value

(5.5+14.1)/2 = 9.8×10⁻⁶ /K

Change in temperature = 35-(-18) = 53 K = ΔT

Original length = 170 m = L

Linear thermal expansion

$\frac{\Delta L}{L} = \alpha\Delta T\\\Rightarrow \Delta L=\frac{\alpha\Delta T}{L}\\\Rightarrow \Delta L=9.8\times 10^{-6}\times 53\times 170$

The deformation is 0.088289 m

The final height of the monument is 170-0.088289 = 169.911702 m (subtraction because of cooling)

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3 years ago

Water displacement is used to find what?a. volume b. density ​

Water displacement is used to find what?a. volume b. density