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joachimngeny
 one year ago
A pipe 19 m long and of radius r = 9 cm is to be coated by insulation material to a thickness of δr = 8 mm. Approximate the volume δV of insulation material required in m3. Please use Pi for π (rather than a decimal approximation) in your answer.
Insulation volume (m3): ?
joachimngeny
 one year ago
A pipe 19 m long and of radius r = 9 cm is to be coated by insulation material to a thickness of δr = 8 mm. Approximate the volume δV of insulation material required in m3. Please use Pi for π (rather than a decimal approximation) in your answer. Insulation volume (m3): ?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1443170693245:dw

steve816
 one year ago
Best ResponseYou've already chosen the best response.0Wow, amazing drawing!

joachimngeny
 one year ago
Best ResponseYou've already chosen the best response.0is that SR (thickness x Radius) or SV (thickness)?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0basically the volume of the insulation is the volume of the whole minus the volume of the pipe

joachimngeny
 one year ago
Best ResponseYou've already chosen the best response.0thanks i got it using \[\frac{ dv }{ dr }.thickness\]

joachimngeny
 one year ago
Best ResponseYou've already chosen the best response.0great drawing btw
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