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Author Question: Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.5 m ... (Read 1162 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.