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(solution) The european Space Agency launched a probe called Rosetta in


The european Space Agency launched a probe called Rosetta in March,2004.In August 2014,Rosetta reached its destination:a comet called 67P/churyumov-Gerasimenko(we'll call it Comet 67P for short). Rosetta is the first space craft to rendevouz with a comet,and plans to orbit the comet for 17 months. It launched a lander craft, called phial, which landed on Comet 67P on november 12, 2014.Approach this problem as if you were the engineers consulting on the project back in March 2004.

1. The Rosetta has a launch mass on Earth of 2,900 kilograms and the phial has a launch mass of 220 pounds-mass.In order to escape Earth's gravity, the combined spacecraft must accelerate at a rate of 25,000 miles per hour squared. How much thrust, in units of newtons,must the engines provide?

2.If the Philae was deployed to Mars instead of comet 67P,What would the weight of the lander be after landing on the Maritan surface, in units of pound force? gravity of Mars is 3.71 meters per second squared.

3.The philae has several scientific instruments onboard,used to study the comet. ALCE is an ultra violet imagine spectrograph,used to search for noble gases in the comet core.The MIRO measured microwaves emissions in attempt to measure substances like water,ammonia,or carbon dioxide.MIDAS is a dust analysis instrument, which will collect dust particles from the comet.Say the mass on earth, mars, comet 67P in Kg of this instruments. As well as the weight in lb of the instruments on earth, Mars and comet 67P

 


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