The pipeline

How long is a pipe with an outer diameter of 1.4 m if painting it consumed 35 kg of paint? One kilogram of paint covers 9 m².

Final Answer:

l =  71.6 m

Step-by-step explanation:

D=1.4 m m=35 kg ρ=9 m2/kg  S = π   D   l m = S ρ  S=m ρ=35 9=315 m2  l=π DS=3.1416 1.4315=71.6 m



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
Tip: Our Density units converter will help you convert density units.

You need to know the following knowledge to solve this word math problem:

algebrasolid geometryplanimetricsUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: