root - mean - square speed

Chinese equivalent: 方均根速率

root - mean - square speed The square root of the average of the squares of molecular speeds, given by v(rms) = √((3kT)/(m)), measuring the intensity of therma…

Syllabus path: Thermal Physics › Kinetic Theory of Molecules

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CSCA Physics Exam Glossary

Definition

root - mean - square speed The square root of the average of the squares of molecular speeds, given by v(rms) = √((3kT)/(m)), measuring the intensity of thermal motion.

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Kinetic Theory of Molecules

Kinetic Theory of Molecules 1. Concepts and Core Ideas The Kinetic Theory is the foundation of thermal physics, explaining macroscopic phenomena via microscopic structure. It is based on three postulates: 1. Matter is composed of particles: Diameter ≈ 10⁻¹⁰ m. Avogadro constant (…

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