Electron's speed at any radius ( related to the energy level)
Declining Balance Method (depreciation rate)
Bipolar junction transistor (Common-emmiter current gain )
Depth of focus (depth of field)
Poiseuille equation (airway resistance)
Arbitrary Cherenkov emission angle
Coefficient Of Performance for a non perfectly reversible cooler
Future value of an annuity due
Bradley model of the force applied on a contact area between two spheres
Stefan-Boltzmann law - Power