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Elastic collision If all of the total kinetic energy is conserved (i.e. no energy is released as sound, heat, etc.), the collision is said to be perfectly elastic. Such a system is an idealization and cannot occur in reality, due to the second law of thermodynamics .
Satellite collision, a collision between two objects in orbit around another body; Ship collision, a collision between two ships or a ship and another object; Traffic collision, a vehicle collision with another object Head-on collision, a type of traffic collision; Train wreck, a type of disaster involving one or more trains
A traffic collision in Japan, 2007 The aftermath of an accident involving a jackknifing truck, Mozambique, Africa. A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other moving or stationary obstruction, such as a tree, pole or building.
In collision sports (e.g. boxing, ice hockey, American football, lacrosse, and rodeo), athletes purposely hit or collide with each other or with inanimate objects (including the ground) with great force. In contact sports (e.g. basketball), athletes routinely make contact with each other or with inanimate objects but usually with less force ...
Other types of collision may occur. Rollovers are not very common, but lead to greater rates of severe injury and death. Some of these are secondary events that occur after a collision with a roadway departure crash or a collision with another vehicle. If several vehicles are involved, the term 'serial crash' may be used.
A run-off-road collision with a tree in Kreis Pinneberg, Germany in 2010. A roadway departure [1] [2] (also called roadway excursion or run-off-road collision) is a type of incident that occurs when a vehicle leaves the roadway. Such incidents can lead to a single-vehicle collision.
A side collision is a vehicle crash where the side of one or more vehicles is impacted. These crashes typically occur at intersections , in parking lots , and when two vehicles pass on a multi-lane roadway.
In computer science, a hash collision or hash clash [1] is when two distinct pieces of data in a hash table share the same hash value. The hash value in this case is derived from a hash function which takes a data input and returns a fixed length of bits.