# Iron density

Calculate the weight of a 2 m long rail pipe with an internal diameter of 10 cm and a wall thickness of 3 mm. The iron density is p = 7.8 g/cm3.

Result

m =  15.144 kg

#### Solution:

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#### To solve this example are needed these knowledge from mathematics:

Do you want to convert length units? Do you know the volume and unit volume, and want to convert volume units?

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