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Author Question: A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top ... (Read 6116 times) |
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There are 20 feet of blood vessels in each square inch of human skin.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.