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Author Question: At t = 0, a particle is located at x = 25 m and has a velocity of 15 m/s in the positive x ... (Read 92 times) |
People about to have surgery must tell their health care providers about all supplements they take.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Vaccines prevent between 2.5 and 4 million deaths every year.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.