The Stardust spacecraft was designed to visit a comet and bring samples of its material back to the earth. The craft is 1.7 {rm m} across and has a… | Cheap Nursing Papers

The Stardust spacecraft was designed to visit a comet and bring samples of its material back to the earth. The craft is 1.7 {rm m} across and has a…

The Stardust spacecraft was designed to visit a comet and bring samples of its material back to the earth. The craft is 1.7 {rm m} across and has a mass of 385 {rm kg}. In January 2004, from a distance of 237 {rm km}, it took the photograph of the nucleus of comet Wild2, shown in the figure below. The distance across this nucleus is 5 {rm km}, and we can model it as an approximate sphere. Since astronomers think that comets have a composition similar to that of Pluto, we can assume a density the same as Pluto’s, which is 2.1 {rm g/cm^3}. The samples taken will be returned to earth on Jan. 15, 2006.What gravitational force did the comet exert on the spacecraft when it took the photo in the figure?Answer is F =6.29×10−5 {rm N} Help with this one.Compare this force with the force that the earth’s gravity exerted on it when the spacecraft was on the launch pad?A. F>mgB. Fapprox mg C. F<mg

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