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Unformatted text preview: F is the gravitational force between the two masses, m 1 and m 2 , and r is the distance between them. What are the dimensions of G ? Selected Answer: L 2 M – 2 T – 2 Question 5 0 out of 10 points Compute: (12 × 10 6 – 2 × 10 7 ) / (–12 × 10 7 + 7 × 10 6 ) Selected Answer: 7.0 × 10 6 Question 6 10 out of 10 points The prefix "centi" means Selected Answer: 10 –2 Question 7 10 out of 10 points If the Earth is approximately 4.5 billion years old, estimate the order of magnitude for the number of times it has rotated about its own axis. (Assume a constant rate of rotation.) Selected Answer: 10 12 Question 8 10 out of 10 points To convert a quantity from g/cm 3 to kg/m 3 , you must Selected Answer: multiply by 1000. Question 9 10 out of 10 points The prefix "milli" means Selected Answer: 10 –3 Question 10 10 out of 10 points What is the order of magnitude of earth's tallest mountain heights? Selected Answer: 10 4 m...
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 Fall '08
 ROBLEDO
 Mass, General Relativity, Gravitational constant, Newton's law of universal gravitation, Jorge Antonio Rodríguez Vargas

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