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Ballistic pendulum
/bɐlˈɪstɪk pˈɛndjʊləm/
/bɐlˈɪstɪk pˈɛndʒuːləm/Ballistic pendulum
01
a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
