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Ballistic pendulum

a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
Historical Examples

This cannon is a duplicate of the one used for the ballistic pendulum, details of which have already been given.
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Herbert M. Wilson

One was the determination of the288 velocity of a bullet fired from a rifle into a Robins ballistic pendulum.
Lord Kelvin Andrew Gray

This cannon (Fig. 2) is similar to that used in the ballistic pendulum.
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Herbert M. Wilson


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  • Ballistically

    of or relating to ballistics. having its motion determined or describable by the laws of exterior ballistics. go ballistic, Informal. to become overwrought or irrational: went ballistic over the idea of a tax hike. Historical Examples Rearmament of our Cavalry with a 6-millimetre carbine, ballistically equal in all respects to the rifle of the Infantry. […]

  • Ballistics

    the science or study of the motion of projectiles, as bullets, shells, or bombs. the art or science of designing projectiles for maximum flight performance. Contemporary Examples He admitted in court that he was not a pathologist, and that he did not have any formal training in ballistics or sound. Disastrous Turn By Star Witness […]

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