Quote:
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Originally Posted by Jeff Root
That is a perpetual motion notion.
Energy is measured relative to something. The kinetic energy
of the ship increases relative to an outside observer because
the chemical energy in the fuel is converted to motion of the
ship and the exhaust. The resulting kinetic energy relative
to the observer is the energy of the motion. Extracting that
energy would slow the ship relative to the observer.
-- Jeff, in Minneapolis
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but what if instead of chemical energy you used electromagnetic energy as your propulsion? the increase in mass means also that there is an increase in electromagnetic energy. therefore you conduct or direct the electromagnetic energy gained to your propulsion system is based on a N(north pole) to N repulsion system. not only that if could adjust the distance too each pole you would increase the repulsion between the two poles.