1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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


    User Avatar
    Science Advisor
    Homework Helper

    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.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook