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  2. Learn the various meanings and uses of the word impulse, from a sudden urge to act to a wave of excitation in nerves. See synonyms, examples, etymology, and related phrases of impulse.

  3. In classical mechanics, impulse (symbolized by J or Imp) is the change in momentum of an object. If the initial momentum of an object is p1, and a subsequent momentum is p2, the object has received an impulse J : Momentum is a vector quantity, so impulse is also a vector quantity.

  4. Learn the meaning of impulse as a noun in English, with examples of usage and collocations. Find out how to say impulse in different languages, such as Chinese, Spanish and Portuguese.

  5. Learn the meaning of impulse as a noun in English, with examples of usage and common collocations. Impulse can refer to a sudden wish, a signal, or a force in different contexts.

  6. impulse. / ˈɪmpʌls / noun. an impelling force or motion; thrust; impetus. a sudden desire, whim, or inclination. I bought it on an impulse. an instinctive drive; urge. tendency; current; trend. physics. the product of the average magnitude of a force acting on a body and the time for which it acts.

  7. Learn how momentum and impulse are related to force and mass in motion. See how impulse is used in space, rockets and aircraft.

  8. /ˌɪmˈpʌls/ /ˈɪmpəls/ IPA guide. Other forms: impulses. An impulse is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza. If you act on a sudden feeling or thought, you’re following an impulse. That's like a whim: an impulse isn't something you've given a lot of thought.

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