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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 6410 times) |
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.