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The pound per square inch (abbreviation: psi) or, more accurately, pound-force per square inch (symbol: lbf/in 2), [1] is a unit of measurement of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force with magnitude of one pound-force applied to an area of one square inch. In SI units, 1 psi is ...
psi ≡ 1 lbf/in 2: ≈ 6.894 757 ... = 4.214 011 009 380 48 × 10 −2 N⋅m: pound force-inch: lbf⋅in ≡ g 0 × 1 lb × 1 in = 0.112 984 829 027 6167 N⋅m ...
The inch version of the slug (equal to 1 lbf⋅s 2 /in, or 12 slugs) has no official name, [3] but is commonly referred to as a blob, [12] slinch (a portmanteau of the words slug and inch), [13] [14] slugette, [15] or snail. [16] It is equivalent to 386.0886 pounds (175.1268 kg) based on standard gravity. [3]
+1.9 psi High air pressure for human lung, measured for trumpet player making staccato high notes [48] < +16 kPa +2.3 psi Systolic blood pressure in a healthy adult while at rest (< 120 mmHg) (gauge pressure) [44] +19.3 kPa +2.8 psi High end of lung pressure, exertable without injury by a healthy person for brief times [citation needed] +34 kPa ...
The pound-force is the product of one avoirdupois pound (exactly 0.45359237 kg) and the standard acceleration due to gravity, approximately 32.174049 ft/s 2 (9.80665 m/s 2). [ 5 ] [ 6 ] [ 7 ] The standard values of acceleration of the standard gravitational field ( g n ) and the international avoirdupois pound (lb) result in a pound-force equal ...
From September 2011 to December 2012, if you bought shares in companies when William W. Helman IV joined the board, and sold them when he left, you would have a 22.4 percent return on your investment, compared to a 19.0 percent return from the S&P 500.
This is in contrast to inches of mercury or pounds per square inch (psi, lbf/in 2) for larger pressures. ... 1 inAq ≈ 0.036 lbf/in 2, or 27.7 inAq ≈ 1 lbf/in 2.
SOURCE: Integrated Postsecondary Education Data System, Virginia Commonwealth University (2014, 2013, 2012, 2011, 2010).Read our methodology here.. HuffPost and The Chronicle examined 201 public D-I schools from 2010-2014.