Internally Tangent Circles
Doppler Effect Wavelength Behind
Speed of sound in sea water (UNESCO equation)
Roshko number
Radiation Pressure by Absorption (using classical electromagnetism: waves)
Beta (financial elasticity)
Cost of equity
Total force on a contact area between a rigid conical indenter and an elastic half-space related to the contact radius
Semi-Minor Axis - Ellipse
Gamma Function