# Recoverable braking energy
# Scope: Kinetic energy recovery with supplied net efficiency; no electrical limits.
# Status: illustrative worked example; engineering review pending.
# Inputs are example values. Checks are editable example requirements, not standards.

mass = 100 kg
initialSpeed = 10 m/s
finalSpeed = 2 m/s
efficiency = 0.6

recovered := efficiency*mass*(initialSpeed^2-finalSpeed^2)/2 [Wh]

check energy recovery target: recovered >= 0.5 Wh

scenario alternative: mass = 80 kg