A hollow cylindrical tube is 3.5 m long if its inner and outer radii are 7 cm and 7.7 respectively then find the volume of the material used in making the pipe​. Gave me right solution step by step.

A hollow cylindrical pipe is 21dm long.Its outer and inner diameters are 10cm and 6cm respectively.Find the volume of the copper used in making the pipe.

A hollow cylindrical pipe is 21dm long.It outer and inner diameters are 10cm and 6cm respectively.Find the volume of the copper used in making the pipe.

A hollow spherical body of inner and outer radii 6 cm, and 8 cm respectively floats half submerged in water. Find the density of the material of the sphere.

A hollow cylindrical tube 20 cm long is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume (in cubic cm) of iron used in making the tube is (Taken pi=22//7 )

If the base radius and height of a cylinder are 7cm and 13cm respectively,then find its volume.

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 outer and the inner radii of a circular track are 7 m and 3.5 m respectively, then the area of the track is ________.

The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per cm^3 .

Find the resistance of a hollow cylindrical conductor of length 1.0 m and inner and outer radii 1.0 mm and 2.0 mm respectively. The resistivity of the material is 2.0xx10^(-8) Omega m.