A cylindrical tube open at both ends is made of metal. the inner diameter of tube is 5.8 cm and length is 1120cm. calculate the volume of the metal if it 2mm thick every where
1 answer
Question:
a cylindrical tube open at both ends is made of metal. the inner diameter of tube is 5.8 cm and length is 1120cm. calculate the volume of the metal if it 2mm thick every where
Answers
Answer:4222.85cm³Step-by-step explanation:Inner diameter of the tube = 5.8cm, radius = 2.9cmlength = 1120cmThickness everywhere = 2mm = 0.2cm Unknown: Volume of the metal = ? Solution: To solve this, use the expression below; Volume = [tex]\pi( R^{2} - r^{2} ) h[/tex]R is the outer radius = 2.9 + 0.2 = 3.1cm r is the inner radius = 2.9cm h is the lengthinput the parameters and solve; Volume = 3.142 (3.1² - 2.9²)1120 = 3.142 x 1.2 x 1120 = 4222.85cm³
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