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hypervelocity
(redirected from Hypervelocity impact)

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
hypervelocity [‚hī·pər·və′läs·əd·ē]
(mechanics)
Muzzle velocity of an artillery projectile of 3500 feet per second (1067 meters per second) or more.
Muzzle velocity of a small-arms projectile of 5000 feet per second (1524 meters per second) or more.
Muzzle velocity of a tank-cannon projectile in excess of 3350 feet per second (1021 meters per second).


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As a model for meteoritic impacts in the early atmosphere, the researchers conducted hypervelocity impact experiments in which polycarbonate projectiles impact copper targets in very oxidizing nitrogen- oxygen-argon mixtures, which provide difficult conditions for organic synthesis.
The size of the debris clouds formed by the collision, the first hypervelocity impact between two intact spacecraft, will not be known for at least several weeks, NASA said.
He said: "There have been many cases of damage and destruction caused by hypervelocity impacts.
 
 
 
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