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The inner diameter of a wooden cylindrical pipe is 24 cm and its outer diameter is 28 crof the pipe is 35 cm. Find the mass of the pipe, if I em' of wood has mass of 4 g. |
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Answer» Answer: 22.88 kg Step-by-step explanation: Find the radius: r1 = 28 ÷2 = 14 cm r2 = 24 ÷ 2 = 12 cm Find the volume of the wood: Volume = πh(r1² - r2²) Volume = π(35)(14² - 12²) Volume = 5720 cm³ Find the mass of the pipe: 1 cm³ = 4g 5720 cm³ = 4 x 5720 = 22880g or 22.88kg Answer: The mass is 22.88kg hit like if you find it useful |
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