A sphere and a cube have same surface. Show that the ratio of the volume of sphere to that of the cube is ?6: ?? Find the mass of 3.5m long lead pipe ,if the external diameter of pipe is 2.4cm , thickness of metal is 2mm and 1cmcube of lead weighs 11.4 kg.

Asked by  | 29th Jan, 2012, 02:18: PM

Expert Answer:

Answered by  | 30th Jan, 2012, 09:36: AM

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