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The Knudsen number (Kn) is a dimensionless number defined as the ratio of the molecular mean free path length to a representative physical length scale. ... more

Latent heat is the energy released or absorbed by a body or a thermodynamic system during a constant-temperature process. A typical example is a change of ... more

The true airspeed (TAS; also KTAS, for knots true airspeed) of an aircraft is the speed of the aircraft relative to the airmass ... more

In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In a Freefall in Uniform Gravitational Field with ... more

Convert temperature between Kelvin and Fahrenheit scales.

Convert temperature between Rankine and Fahrenheit scales.

Convert temperature between Delisle and Fahrenheit scales.

Convert temperature between Newton and Fahrenheit scales.

Convert temperature between Réaumur and Fahrenheit scales.

Convert temperature between Rømer and Fahrenheit scales.