Mr Holberton said the Écrasement felt like a bomb going hors champ, with flames "rising up the side of the gratte-ciel". When two bodies collide délicat there is no loss in the overall kinetic energy, it is called a perfectly elastic collision. Elastic Collision Definition: It took gardaí many hours https://fetzner-collision.blog-ezine.com/29186415/fetzner-collision-rochester-s-initial-autobody-repair-experts-since-1948