Assume that the disk of the milky way has a radius of 20
Assume that the disk of the Milky Way has a radius of 20 kpc (20 thousand parsecs). It contains 100 billion stars, each with a radius similar to the Sun's, 6.96 x 1010 cm. What fraction of the galaxy's disk is covered by stars?
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effective noise input power into a mobile receiver is -100 dbm and a signal-to-noise ratio of at least 5 db is required
why do economists often consider a nations balance of trade an important indicator of national well
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the world bank projects that the worlds population will increase from 7 billion today to 8 billion in 2025 world output
assume that the disk of the milky way has a radius of 20 kpc 20 thousand parsecs it contains 100 billion stars each
rf power of 100 watts is radiated is otropically in free space calculate the power density 3 km from the source making
what are the power density and field strengths that might be realized in problem 15 if a transmitting antenna with a
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1 how many cells are required in a cell phone system cluster if the minimum acceptable ratio of in-cell power to
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Compare and contrast the foreign policies of Presidents Jimmy Carter and Ronald Reagan. What were their basic philosophies when it came to foreign policies?
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