naishaboyd7088 naishaboyd7088
  • 01-02-2020
  • Physics
contestada

One gallon of paint (volume = 3.79 X 10-???? m3) covers an area of 25.0 m2. What i the thickne s of the fresh paint on the wall?

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nuuk nuuk
  • 01-02-2020

Answer:

Explanation:

Given

Volume of paint is [tex]V=3.79\times 10^{-3}\ m^3[/tex]

Area of cover [tex]A=25\ m^2[/tex]

Suppose paint to be a rectangular box with thickness t and volume V

therefore we can write as

[tex]V=A\times t[/tex]

[tex]t=\frac{V}{A}[/tex]

[tex]t=\frac{3.79\times 10^{-3}}{25}[/tex]

[tex]t=1.516\times 10^{-3}\ m[/tex]

[tex]t=1.516\ mm[/tex]  

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