Elastic / inelastic collision solver

Same 1D solver with mode selection.

Calculator

Model / formula

1D head-on; elastic or perfectly inelastic

Model

m₁ (kg)

m₂ (kg)

u₁ (m/s)

u₂ (m/s)

Result

v₁′ = -1.0000 m/s v₂′ = 4.0000 m/s

Same engine as the collision tool.

Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).