Solution: Smoke particles in the air typically have masses
Chapter 18, Problem 18.36(choose chapter or problem)
Smoke particles in the air typically have masses of the order of 10-16 kg. The Brownian motion (rapid, irregular movement) of these particles, resulting from collisions with air molecules, can be observed with a microscope. (a) Find the rootmean-square speed of Brownian motion for a particle with a mass of 3.00 * 10-16 kg in air at 300 K. (b) Would the root-meansquare speed be different if the particle were in hydrogen gas at the same temperature? Explain.
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