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Ija Ija
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3 years ago
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 μm in diameter. Treating dust as an ideal gas, what is the root-mean-square speed (thermal speed) of a dust particle at (The Boltzmann constant is 1.38 × 10-23 J/K.)

▸ 3.0 × 10-5 m/s

▸ 7.3 × 10-5 m/s

▸ 1.7 × 10-5 m/s

▸ 5.2 × 10-5 m/s
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Essential University Physics

Essential University Physics


Edition: 3rd
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yenyen
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2 years ago
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 μm in diameter. Treating dust as an ideal gas, what is the root-mean-square speed (thermal speed) of a dust particle at 570°C? (The Boltzmann constant is 1.38 × 10-23 J/K.)
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2 years ago
Quote from: Anonymous (2 years ago)
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 μm in diameter. Treating dust as an ideal gas, what is the root-mean-square speed (thermal speed) of a dust particle at 570°C? (The Boltzmann constant is 1.38 × 10-23 J/K.)
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