Unformatted text preview: (For the purpose of this calculation, assume the man and woman to be perfect spheres.) 6. By what factor would a person’s weight at the surface of the Earth be reduced if (a) the Earth had it present mass, but eight times its present volume? (b) the Earth had its present size but only one-third its present mass? 7. How far is the barycenter from a star of three times the mass of the sun in a double-star system in which the other star has a mass equal to the Sun’s and a distance of 4 AU from the first star? 8. A cow attempted to jump over the Moon but ended in an orbit around the Moon instead. Describe how the cow could be used to determine the mass of the Moon....
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- Fall '08
- Tycho Brahe, Planet, Astronomical unit