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This means that for every 4 units (feet or metres) of horizontal distance there is a 1 unit (foot or metre) vertical change either up or down." [3] Any of these may be used. Grade is usually expressed as a percentage - converted to the angle α by taking the inverse tangent of the standard mathematical slope, which is rise / run or the grade ...
V is velocity (in ft/s for US customary units, in m/s for SI units) k is a conversion factor for the unit system (k = 1.318 for US customary units, k = 0.849 for SI units) C is a roughness coefficient; R is the hydraulic radius (in ft for US customary units, in m for SI units) S is the slope of the energy line (head loss per length of pipe or h ...
Stream gradient (or stream slope) is the grade (or slope) of a stream. It is measured by the ratio of drop in elevation and horizontal distance. [ 1 ] It is a dimensionless quantity , usually expressed in units of meters per kilometer (m/km) or feet per mile (ft/mi); it may also be expressed in percent (%).
pound per foot hour: lb/(ft⋅h) ≡ 1 lb/(ft⋅h) ≈ 4.133 789 × 10 −4 Pa⋅s: pound per foot second: lb/(ft⋅s) ≡ 1 lb/(ft⋅s) ≈ 1.488 164 Pa⋅s: pound-force second per square foot: lbf⋅s/ft 2: ≡ 1 lbf⋅s/ft 2: ≈ 47.880 26 Pa⋅s: pound-force second per square inch: lbf⋅s/in 2: ≡ 1 lbf⋅s/in 2: ≈ 6 894.757 Pa⋅s
Roof pitch is the steepness of a roof expressed as a ratio of inch(es) rise per horizontal foot (or their metric equivalent), or as the angle in degrees its surface deviates from the horizontal. A flat roof has a pitch of zero in either instance; all other roofs are pitched .
A family member reported the two men missing to Skamania County police at around 1 a.m. on Dec. 25. A “grueling” three-day search was conducted for the men as over 60 volunteer search and ...
The Willis McGahee case. As a projected top-10 NFL draft pick, Hunter stands to sign a multi-year contract for around $20 million-$40 million. The same goes for Colorado quarterback Shedeur ...
The only conversion necessary then is to take / here and equate it to above. Also, this formula is the tape sag correction to be added to the measured distance, so the negative sign in front can be removed and the tape sag correction can be made instead by subtracting the absolute value as is done in the preceding section.