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fenix001 [56]
3 years ago
7

20 POINTS TO WHOEVER SOLVES THIS!!! Asap

Physics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

B

Explanation:

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Use differentials to estimate the amount of metal in a closed cylindrical can that is 10 cm high and 10 cm in diameter if the me
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dV = 32.98 cm³

Explanation:

We know that

V = f ( h,r)

dV= \frac{\partial V}{\partial r}dr+ \frac{\partial V}{\partial h}dh

We also know that

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dV= 2\pi h dr + \pi r^2 dh

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Thickness = 0.05 cm so  dr = 0.05 cm

The metal in the top and the bottom is 0.2 cm thick  so dh = 0.2 + 0.2 cm

dh = 0.4 cm

Now by putting the values

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dV = 32.98 cm³

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3 years ago
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Which process requires water to gain 2260 joules of energy per gram?
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<h2><u>Constant</u></h2>

Explanation:

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