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How hot is a bullet when fired?

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โˆ™ 2010-01-05 23:09:42

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That varies depending on the cartridge, and how far the bullet is from the firearm in flight. Bullets are heated both from the explosion of gunpowder, and friction as they are forced up the barrel, but begin to cool very quickly. A physics group made a study of measuring the temperature of a bullet in flight using high speed cameras that could measure temperatures from the infrared light emitted by a hot object. Using a 5.56mm firearm (similar to the M16) they found that the bullet was about 513 degrees F measured about 10 ft from the muzzle.

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โˆ™ 2010-01-05 23:09:42
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