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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
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Strayer University
Jan-2007 - Present
A 600-kg meteor is falling vertically downward and has a speed of 100 m/s when it is at a height of 900 km above the surface of the Earth. Ignore air resistance. The meteor strikes a bed of sand in which it is brought to rest in a distance of 3.90 m. The radius of the Earth is 6378 km and the mass of the Earth is 5.98x1024 kg. (a) What is the speed of the meteor just before it strikes the sand
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