Question

The diameters of the internal and external surfaces of a hollow spherical shell are 6 cm and 10 cm respectively if its melted and recast into a solid cylinder of height 8/ 3 cm find the diameter of the cylinder

Answer 1

Step-by-step explanation:

Volume of sphere = V

s

=

3

4

π(R

e

3

−R

i

3

)

V

s

=π×7

2

×h

⇒h=

3×7

2

4(5

3

−3

3

)

=

3

8

cm