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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 2891 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.