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Chemistry question?
The average diameter of one strand of adult human hair is 80.0 microns. By contrast, babies tend to have much finer hair, with an average diameter of 50.0 microns. (A micron is a micrometer = μm)
What is the difference in area of of an adult strand vs. a baby strand in cm2. (Area of a circle = π r 2).
8 Answers
- 3 months ago
do u think im a chemist or something like that i tell u wat chemistry is a bunch of gobbygook
- Anonymous4 months ago
They are asking you to figure it out. Not me.
- Roger the MoleLv 72 years ago
Supposing cross sectional area is meant:
pi x ((80.0 μm/ 2)^2 - (50.0 μm/ 2)^2) = 3063 μm^2 = 3.06 × 10^-9 m^2 difference
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All Categories > Education & Reference > Homework Help or
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- Anonymous2 years ago
Plug and chug, what's so hard about it?
- 2 years ago
Study.com has answers to your toughest chemistry homework questions with detailed step by step explanations. Can't locate your question In our library?
- Anonymous2 years ago
Good question!
