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Wavelength of bullet and proton, same momentum

  1. Nov 27, 2006 #1
    Hi.

    There's this question that was posed.
    And I'm totally lost.:redface: If my professor explained how it's all derived it would've been useful.
    Here we are:

    A bullet and a proton have the same momentum. Which has the longer wavelength?

    Any help?
    Thanks,
    Cataklyzm
     
  2. jcsd
  3. Nov 27, 2006 #2

    Hootenanny

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    Tell me what you know about the de Broglie wavelength.
     
  4. Nov 27, 2006 #3
    Ahh.. de Broglie's.. wavelength = h / momentum..
    Because h is Planck's constant.. and momentum is constant in this example.
    wavelength is constant.. So they both have the same wavelength.

    Thanks.
     
  5. Nov 27, 2006 #4

    Hootenanny

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    Glad to be of service :smile:
     
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