ballistic pendulum
noun
: a pendulum with a bifilarly suspended bob that retains objects striking it and registers the amplitude of the swing caused by the impact, the velocity of the object (such as a rifle bullet) penetrating the bob being computed by application of the principles of conservation of momentum and energy compare gun pendulum
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“Ballistic pendulum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ballistic%20pendulum. Accessed 23 Nov. 2024.
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