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Can I calculate the mass of a cylinder in Wolfram Alpha?

André H.
Posted 4 months ago

I tried

cylinder 1.75 mm diameter 330 m length 1.23 g/cm³ density

and

cylinder diameter=1.75 mm height=330 m density=1.23 g/cm^3

and a couple of combinations and variations of those but none gave me the mass of the cylinder. (It's a spool of 3D printing filament by the way.)
POSTED BY: André H.
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Bill Nelson
Bill Nelson
Posted 4 months ago

Ah, now I understand your question a little bit better

WA

volume of cylinder 1.75 mm diameter 330 m length

returns 794 cm^3

WA

794 cm^3 * 1.23 g/cm^3

returns 976.6 grams
POSTED BY: Bill Nelson
André H.
André H.
Posted 4 months ago

Now if I could put that in one query it would be perfect. I tried

(volume of cylinder 1.75 mm diameter 330 m length) * 1.23 g/cm^3

but that didn't work.
POSTED BY: André H.
Bill Nelson
Bill Nelson
Posted 4 months ago

Perhaps try

pi * (1.75/2 mm)^2 * 330 meters * 1.23 g/cm^3

for which WolframAlpha returns 976.3 grams
POSTED BY: Bill Nelson
André H.
André H.
Posted 4 months ago

If I were the kind of person who could remember how to calculate the volume of a cylinder I wouldn't be using W|A. :)
POSTED BY: André H.
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