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  2. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    Other higher education institutions give grades on a scale from 0–100 or a few universities apply letter grades. While for years an "A" grade range was from 80 to 100 points, some schools (for example, at Kurume University ) have started to give the 90 to 100 point range a special grade to indicate excellence. [ 12 ]

  3. Planck units - Wikipedia

    en.wikipedia.org/wiki/Planck_units

    The term Planck scale refers to quantities of space, time, energy and other units that are similar in magnitude to corresponding Planck units. This region may be characterized by particle energies of around 10 19 GeV or 10 9 J , time intervals of around 5 × 10 −44 s and lengths of around 10 −35 m (approximately the energy-equivalent of the ...

  4. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres (⁠ 1 100 ⁠ m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.

  5. List of comparative military ranks - Wikipedia

    en.wikipedia.org/wiki/List_of_comparative...

    United States uniformed services: comparative ranks of officers, warrant officers, and enlisted servicemen; United States Air Force: enlisted, officer; United States Army: enlisted, warrant officer, officer

  6. Orders of magnitude (energy) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(energy)

    7.8×10 2 J. Kinetic energy of 7.26 kg [91] standard men's shot thrown at 14.7 m/s [citation needed] by the world record holder Randy Barnes [92] 8.01×10 2 J. Amount of work needed to lift a man with an average weight (81.7 kg) one meter above Earth (or any planet with Earth gravity) 10 3. kilo- (kJ) 1.1×10 3 J.

  7. Angstrom - Wikipedia

    en.wikipedia.org/wiki/Angstrom

    Portrait of Anders Ångström [15]. In 1868, Swedish physicist Anders Jonas Ångström created a chart of the spectrum of sunlight, in which he expressed the wavelengths of electromagnetic radiation in the electromagnetic spectrum in multiples of one ten-millionth of a millimetre (or 10 −7 mm.) [16] [17] Ångström's chart and table of wavelengths in the solar spectrum became widely used in ...

  8. Boston University - Wikipedia

    en.wikipedia.org/wiki/Boston_University

    In 2014, the average GPA of a BU undergraduate was 3.16, compared to the averages of 3.35 for Boston College (2007), 3.48 for Amherst College (2006), 3.52 for New York University (2015), and 3.65 for Harvard University (2015). [193] About 81 percent of all grades earned in either the A or B range (75% in the B range).

  9. Golden ratio - Wikipedia

    en.wikipedia.org/wiki/Golden_ratio

    Its two equal sides are in the golden ratio to its base. [46] The triangle formed by two sides and a diagonal of a regular pentagon is called a golden gnomon. It is an obtuse isosceles triangle with apex angle 108° and base angle 36°. Its base is in the golden ratio to its two equal sides. [46]