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Author Question: A 10-N toy rocket blasts straight up from ground level with an initial kinetic energy of 40 J. At ... (Read 33 times) |
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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The horizontal fraction bar was introduced by the Arabs.
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Asthma cases in Americans are about 75% higher today than they were in 1980.