In 2014, the European Space Agency placed a satellite in
Chapter 13, Problem 13.82(choose chapter or problem)
In 2014, the European Space Agency placed a satellite in orbit around comet 67P/Churyumov-Gerasimenko and then landed a probe on the surface. The actual orbit was elliptical, but well approximate it as a 50-km-diameter circular orbit with a period of 11 days. a. What was the satellites orbital speed around the comet? (Both the comet and the satellite are orbiting the sun at a much higher speed.)b. What is the mass of the comet? c. The lander was pushed from the satellite, toward the comet, at a speed of 70 cm/s, and it then felltaking about 7 hoursto the surface. What was its landing speed? The comets shape is irregular, but on average it has a diameter of 3.6 km
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