Answer to Question #71314 in Other Physics for David Atabo
How much water is displaced by the sphere we dropped in?
The volume of a sphere is given by
Now that we know the amount of water that 'moved', and we know the container holding that water is a right circular cylinder, all we need to know is the formula for the volume of such a cylinder.
Now we can equate those two volumes and solve for r_cylinder
r_cylinder=√((4r_sphere^3)/3h)=√((4×(3)^3)/(3×1))=√(4×3^2 )=2×3=6 cm
Answer: 6 cm.
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