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    Minimum escape velocity

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    A rocket is in an elliptic orbit around the earth. To put it into an escape orbit, its engine is fired briefly, changing the rocket's velocity by (delta) V. Where in the orbit, and in what direction, should the firing occur to attain an escape with a minimum value of (delta) V?

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    https://brainmass.com/physics/orbits/minimum-escape-velocity-6483

    Solution Preview

    Because the total energy at any point in the orbit is given by,

    E = (1/2)m.vo^2 + (-GMe.m/r)
    where m is the mass of rocket, r is the distance from the center of the ...

    Solution Summary

    The solution determines the direction firing occur to attain an escape with a minimum value of delta V.

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