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A spacecraft is coasting toward Mars. The mass of Mars is 6.4 × 1023 kg and...

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Physics

A spacecraft is coasting toward Mars. The mass of Mars is 6.4 ×1023 kg and its radius is 3400 km (3.4 × 106m). When the spacecraft is 8900 km (8.9 × 106 m) fromthe center of Mars, the spacecraft's speed is 2250 m/s. Later, whenthe spacecraft is 5200 km (5.2 × 106 m) from the centerof Mars, what is its speed? Assume that the effects of Mars's twotiny moons, the other planets, and the Sun are negligible.Precision is required to land on Mars, so make an accuratecalculation, not a rough, approximate calculation.

Answer & Explanation Solved by verified expert
4.1 Ratings (443 Votes)
The spacecraft is coasting meaning it is moving without usingits engines only under the influence of gravitational pull ofMarsIf we neglect effects of Marss two tiny moons    See Answer
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