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Rocket in Space! :surprised

  1. Nov 6, 2004 #1
    can anyone explain the concept of rocket propulsion, in other words, M*delta(V)=delta(m)*Ve?

    Thanks guyz
  2. jcsd
  3. Nov 6, 2004 #2


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    An object of mass M expels a portion of its mass dm at speed v_e. The remaining mass must recoil in the opposite direction to conserve momentum.
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