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3. a powder has particles which are approximately spherical and of...

# Question: a powder has particles which are approximately spherical and of...

###### Question details

A powder has particles which are approximately spherical and of radius 10 μm. The density of the material of the particles is 2500 kg/m3. Treating the powder as an ideal gas, determine the root-mean-square speed of the particles at 450°C.