Coefficient of Restitution Calculator

Calculate the elasticity of collisions between objects and analyze impact dynamics

Enter a value between 0 (perfectly inelastic) and 1 (perfectly elastic)
m/s
m/s
kg
kg

Understanding Coefficient of Restitution

Key Concepts

1. Physical Properties

  • Material elasticity
  • Energy conservation
  • Momentum conservation
  • Impact velocity

2. Applications

  • Sports equipment design
  • Vehicle crash testing
  • Manufacturing processes
  • Material testing

Material Properties

Material Combination Typical COR Applications
Steel on Steel 0.85-0.95 Industrial machinery
Wood on Wood 0.40-0.50 Construction
Rubber on Concrete 0.70-0.75 Vehicle tires
Glass on Glass 0.90-0.95 Precision instruments

Practical Considerations

Important factors in collision analysis:

  • Surface conditions
  • Impact angle
  • Temperature effects
  • Material deformation
  • Energy losses