A hot water heating plant consists of a cylindrical pipe of length 28 m and diameter 5 cm. ,

In a hot water heating system,there is a cylindrical pipe of length 28m and diameter 5cm. Find the total radiating surface in the system.

In a hot water heating system,there is a cylindrical pipe of length 28m and diameter 5cm. Find the total radiating surface in the system.

A iron pillar consists of a cylindrical portion 2.8 m high and 20 cm in diameter and a cone 42 cm heigh is surmounting it. Find the weight of the pillar, given that 1 cm^(3) of iron weight 7.5 g

An iron pillar consists of a cylindrical portion of 2.8 m. height and 20 cm. in diamea cone of 42 cm. height surmounting it. Find the weight of the pillar if 1 cm^3 of iron weights 7.5 g.

Water flows at the rate of 15m per minute through a cylindrical pipe, having the diameter 20 mm. How much time will it take to fill a conical vessel of base diameter 40 cm and depth 45 cm?

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