What power must the engines of the probe use

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Reference no: EM13320558

You are in the neighborhood of a star (radius of 700,000 kilometers) which has emitted so many protons ("solar wind") during its life, that it now possesses a huge net negative charge of 6 x 10^6 C (surface charge). You did not know the fact and launched a probe (100 kilograms) on an orbit around the star (circular orbit, with a radius of 100 million kilometers). Your probe is protected against heat, but not against being polarized by influence. For short, your probe has an extra (positive) charge of 1000 C. The new attraction force was not foreseen previously, and you must compensate it somehow, because otherwise the probe will fall into the star.
One proposition is to use temporarily the engines of the probe against the star attraction, until you find a permanent solution.

A) What power must the engines of the probe use in order to maintain the orbit?

Reference no: EM13320558

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