1.

A hollow spherical shell is made of a metal of density 4.5 g per cm3.If its internal and external radii are 8 cm and 9 cm respectively, find the weight of the shell.

Answer»

A hollow spherical shell is made of a metal of density 4.5 g per cm3.If its internal and external radii are 8 cm and 9 cm respectively, find the weight of the shell.



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