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The pascal (Pa) or kilopascal (kPa) as a unit of pressure measurement is widely used throughout the world and has largely replaced the pounds per square inch (psi) unit, except in some countries that still use the imperial measurement system or the US customary system, including the United States.
133 Pa 1 torr ≈ 1 mmHg [34] ±200 Pa ~140 dB: Threshold of pain pressure level for sound where prolonged exposure may lead to hearing loss [citation needed] ±300 Pa ±0.043 psi Lung air pressure difference moving the normal breaths of a person (only 0.3% of standard atmospheric pressure) [35] [36] 400–900 Pa 0.06–0.13 psi
The MKS unit of specific acoustic impedance is the pascal-second per meter, [7] and is often called the rayl (MKS: 1 Rayl = 1 Pa·s·m −1). The MKS unit and the CGS unit confusingly have the same name, but are not the same quantity (or unit):
Ivanka Trump wore diamond jewelry with a total value of $1.1 million at Donald Trump's inauguration. She wore the jewelry with gowns designed by Oscar de la Renta and Givenchy.
When units occur in exponentiation, such as in square and cubic forms, any multiples-prefix is considered part of the unit, and thus included in the exponentiation.. 1 Mm 2 means one square megametre or the size of a square of 1 000 000 m by 1 000 000 m or 10 12 m 2, and not 1 000 000 square metres (10 6 m 2).
February 1, 2025 at 2:51 PM A collage of two men, one inside a car The pilot and co-pilot of the doomed medical transport flight that crashed into a northeast Philadelphia neighborhood, and a ...
Philadelphia, the largest city in Pennsylvania and sixth-largest city in the nation, with a population of 1,603,797, and the center of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area, the state's largest metropolitan statistical area and nation's seventh-largest with a population of 6,245,051 Pittsburgh, the second-largest city in Pennsylvania, and the center of Greater ...
U.S. Route 1 (US 1) is a major north–south U.S. Route, extending from Key West, Florida, in the south to Fort Kent, Maine, at the Canada–United States border in the north. In the U.S. state of Pennsylvania , US 1 runs for 81 miles (130 km) from the Maryland state line near Nottingham northeast to the New Jersey state line at the Delaware ...