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  2. Atmospheric temperature - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_temperature

    Average yearly temperature is 22.4 °C, ranging from an average minimum of 12.2 °C to a maximum of 29.9 °C. The average temperature range is 11.4 °C. [6] Variability throughout the year is small (standard deviation of 2.31 °C for the maximum monthly average and 4.11 °C for the minimum). The graph also shows the typical phenomenon of ...

  3. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    F ♯ ͵͵/G ♭ ͵͵ F ♯ 0 /G ♭ 0-2 23.12465 94 17 F͵͵ F 0-3 21.82676 93 16 E͵͵ E 0-4 20.60172 92 15 D ♯ ͵͵/E ♭ ͵͵ D ♯ 0 /E ♭ 0-5 19.44544 91 14 D͵͵ D 0-6 18.35405 90 13 C ♯ ͵͵/D ♭ ͵͵ C ♯ 0 /D ♭ 0-7 17.32391 89 12 C͵͵ sub-contra-octave: C 0 Double Pedal C -8 16.35160

  4. Barometric formula - Wikipedia

    en.wikipedia.org/wiki/Barometric_formula

    Pressure as a function of the height above the sea level. There are two equations for computing pressure as a function of height. The first equation is applicable to the atmospheric layers in which the temperature is assumed to vary with altitude at a non null lapse rate of : = [,, ()] ′, The second equation is applicable to the atmospheric layers in which the temperature is assumed not to ...

  5. Minor chord - Wikipedia

    en.wikipedia.org/wiki/Minor_chord

    More tunings of the minor chord are also available in various equal temperaments other than 12-TET. Rather than directly from the harmonic series, Sorge derived the minor chord from joining two major triads; for example the A minor triad being the confluence of the F and C major triads. [13] A–C–E = F–A–C–E–G. Given justly tuned ...

  6. Total air temperature - Wikipedia

    en.wikipedia.org/wiki/Total_air_temperature

    where e is the recovery factor (also noted C t) Typical recovery factors. Platinum wire ratiometer thermometer ("flush bulb type"): e ≈ 0.75 − 0.9 Double platinum tube ratiometer thermometer ("TAT probe"): e ≈ 1 Other notations. Total air temperature (TAT) is also called: indicated air temperature (IAT) or ram air temperature (RAT)

  7. Scale height - Wikipedia

    en.wikipedia.org/wiki/Scale_height

    These figures should be compared with the temperature and density of Earth's atmosphere plotted at NRLMSISE-00, which shows the air density dropping from 1200 g/m 3 at sea level to 0.125 g/m 3 at 70 km, a factor of 9600, indicating an average scale height of 70 / ln(9600) = 7.64 km, consistent with the indicated average air temperature over ...

  8. Étude Op. 25, No. 12 (Chopin) - Wikipedia

    en.wikipedia.org/wiki/Étude_Op._25,_No._12_(Chopin)

    Étude Op. 25, No. 12 in C minor is one of Frédéric Chopin's formal studies for the piano, opus 25, dedicated À Madame la Comtesse d'Agoult. It was first published in 1837 in French, German, and English.

  9. C minor - Wikipedia

    en.wikipedia.org/wiki/C_minor

    Great Mass in C minor, K. 427 (417a) Piano Concerto No. 24, K. 491) Maurerische Trauermusik K. 477 (479a) Als Luise die Briefe ihres ungetreuen Liebhabers verbrannte, K. 517; Adagio and Fugue in C minor. K. 546; Wind Serenade in C minor. K. 388 (384a) Fantasy in C minor for violin and piano, K. 396 (385f) Piano Sonata in C minor, K. 457