Question

The inner diameter of a cylindrical wooden pipe is 24 cm and its outer diameter is 28 cm. The length of the pipe is 35 cm. Find the mass of the pipe, if 1 cm3 of wood has a mass of 0.6 g.

Answer 1

Let the inner diameter of a cylindrical vessel be d₁ and outer diameter be d₂.

= 110 × 52 

∴ V = 5720 cm³ 

Mass of pipe of 1 cm is 0.6 gm. 

∴ Mass of 5720 cm³ . … ? … 

= 5720 × 0.6 

= 3432 Kg.