Creatinine Clearance
Rule of 70 ( estimating the time for money's buying power to halve)
Displacement (Distance)
Pyramid frustum's volume (n-sided regular polygon bases)
Capacitors conected in series
Impulse (Time)
Sagnac Effect - TIme Difference
Knudsen number ( related to mean free path)
Centripetal Force - angular velocity
Moment of inertia of a solid cube ( Axis of rotation at the center of a face)