Rectangle rotating around an axis parallel to one edge and passing through the center, where the length of the other edge is r:

The pressure, P, and volume, V, of n moles of an ideal gas at temperature T is given by this formula, where R is the gas constant:

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In an ideal gas, the average energy of each molecule KE_avg, is in proportion to the temperature, with the Boltzman constant k:

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Moments of inertia

The rotational equivalent of mass is inertia, I, which depends on how an object’s mass is distributed through space. Dengan pengetahuan ini kita bisa membuat pesawat sederhana yang membantu kita pada kehidupan sehari-hari.Physics is filled with equations and formulas that deal with angular motion, Carnot engines, fluids, forces, moments of inertia, linear motion, simple harmonic motion, thermodynamics, and work and energy. em> In a bar of material with a cross-sectional area A, length L, and a temperature difference across the ends of ΔT, there is a heat flow over a time, t, given by these formulas:

Hollow cylinder rotating around its center: I = mr²

Hollow sphere rotating an axis through its center: