# math

posted by .

if the ratio of the diameters of two spheres is A to B then what is the ratio of their volumes

• math -

volume is proportional to radius cubed, so

Va/Vb=(A/B)^3

## Similar Questions

1. ### geometry-finding ratio

Ratio of the heights of two similar cones is 7/9 what is the ratio of their radii?
2. ### Math

two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h
3. ### physics

Two small metal spheres of densities in the ratio 3:2 and diameters in the ratio 1:2 are released from rest in two vertical liquid columns of coeff. of viscosities in the ratio 4:3. When the viscous force on both of them is same, what …
4. ### geometry

01:34:47 The volumes of two spheres are 729 in3 and 27 in3. What is the ratio of their radii, rounded to the nearest whole number?
5. ### PHYSICS

A copper wire and an aluminium wire have length's in the ratio 3:2.diameters n the ratio 2:3 AND FORCES APPLIED IN THE RATIO 4:5 find the ratio of increase in length of the two wires.(Y FOR COPPER =1.1*1O^11 N/m^2,Y for aluminum=0.70*10^11 …
6. ### Physics

Two small charged spheres hang from cords of equal length L and make small angles angle1 and angle2 with the vertical. (a) If Q1 = Q, Q2 = 2(Q) and m1 = m2 = m, determine the ratio angle1/angle2. (b)If Q1 = Q, Q2 = 2(Q) and m1 = m,and …
7. ### geometry

the ratio of the lengths of the radii of two sphere is 3:5. what is the ratio of the volumes of these two?
8. ### Math

a) The ratio of the lengths of the sides of two squares is 1:4. What is the ratio of the are of the two squares?
9. ### Physics

Two lead spheres at the same temperature have radii in the ratio 1:2.what is the ratio of their heat capacities
10. ### Math

There are two cubes. Their lengths are in the ratio 3:4, what is the simplified ratio between their volumes?

More Similar Questions