Answer to Question #165960 in Astronomy | Astrophysics for Alejandro

Astronomy | Astrophysics

Question #165960

If you have a box of 10 cm of edge, how many grains of sand would fit in this box?

Expert's answer

A grain of sand weighs about

"m=10^{-6}g"

"N=\\frac{V}{V_g}=\\frac{V\\rho}{m}\\\\N=\\frac{10\\cdot1.45}{10^{-6}}=1.45\\cdot10^{7}"

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