A hollow spherical shell is made of metal density 4.5 g per`cm^3`. If its external and internal radii are 8 cm and 9 cm respectively, find the weight of the shell.

A hollow spherical shell is made of a metal of density 4.5 g per cm^(3) . If its internal and external radii are 8 cm and 9 cm respectively, find the weight of the shell.

A hollow spherical shell is made of a metal of density 4.5 g per cm^(3) . If its internal and external radii are 8 cm and 9 cm, respectively find the weigth of the shell.

A hollow spherical shell is made of metal of density 4.8 g/ cm^(3) , If its internal and external radii are 10 cm and 12 cm respectively, find the weight of the shell

A hollow spherical shell is made up of a metal of density 3 g // cm^3 . If the internal and external radii are 5 cm and 6 cm respectively, then what is the mass of the shell? (Take pi = 22/7 )

A hollow cylindrical pipe is made of iron. Its external and internal radii are 8 cm and 7 cm respectively and it is 35 cm long. If 1 cm^3 iron weight 8g, then the weight of the pipe is.

If the external and internal radii of a hollow sphere be 6 cm and 3 cm respectively, then the volume (i.e, the material) of the sphere will be

The volume of a spherical shell whose external and internal diameters are 14 cm and 10 cm respectively :

Find the approximate volume of metal in a hollow spherical shel, whose internal and external radii are 3 cm and 3.0005 cm respectively.