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A 2690-kg spacecraft is in a circular orbit 2320 km above the surface of Mars. How much...

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Physics

A 2690-kg spacecraft is in a circular orbit 2320 km above thesurface of Mars.

How much work must the spacecraft engines perform to move thespacecraft to a circular orbit that is 4730 km above thesurface?

Answer & Explanation Solved by verified expert
4.0 Ratings (609 Votes)
As the spacecraft is moved to a higher orbit the gravitational potential energy increases and the kinetic energy decreases Gravitational potential energy GMm r Kinetic energy mv2 According to conservation of energy the sum of the gravitational potential energy and kinetic energy must remain constant Work final    See Answer
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