Question 730286
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A cylinder of radius of 10cm. It already contains water to depth of 15cm. 
A metal sphere with volume 900cm^3 is placed in the water. 
Calculate The height In cm that the water level rises.
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<pre>
Due to the volume conservation principle, 
the water level will raise by the value h such that the volume of a cylinder
with the radius of 10 cm and the height of h cm will be 900 cm^3


    {{{pi*10^2*h}}} = 900.


It gives

    h = {{{900/(pi*10^2)}}} = {{{9/pi}}} = {{{9/3.14159265}}} = 2.864788979 cm.


<U>ANSWER</U>.  The water level will raise approximately 2.865 cm.
</pre>

Solved.