SOLUTION: To accurately measure the radius of a spherical rock, Jeff places a rock into a cylindrical glass containing water. When he does so,, the water level rises .14 inch. The radius of

Algebra ->  Volume -> SOLUTION: To accurately measure the radius of a spherical rock, Jeff places a rock into a cylindrical glass containing water. When he does so,, the water level rises .14 inch. The radius of       Log On


   



Question 311930: To accurately measure the radius of a spherical rock, Jeff places a rock into a cylindrical glass containing water. When he does so,, the water level rises .14 inch. The radius of the glass is 2 inches. What is the radius of the rock?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the volume of water displaced equals the volume of the rock

pi * 2^2 * .14 = pi * 4/3 * r^3