Water level

How high reaches the water in the cylindrical barell with a diameter of 12 cm if there is a liter of water? Express in cm with an accuracy of 1 decimal place.

Result

n =  8.8 cm

Solution:

V=πr2h h=Vπr2=1000π(12/2)2=8.8  cm V = \pi r^2 h \ \\ h = \dfrac{V}{ \pi r^2 } = \dfrac{ 1000 }{ \pi (12/2)^2 } = 8.8 \ \text{ cm }



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