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1.2 × 10 2: tech: electric power output of 1 m 2 solar panel in full sunlight (approx. 12% efficiency), at sea level 1.3 × 10 2: tech: peak power consumption of a Pentium 4 CPU 2 × 10 2: tech: stationary bicycle average power output [17] [18] 2.76 × 10 2: astro: fusion power output of 1 cubic meter of volume of the Sun's core. [19] 2.9 × 10 2
[18] [19] Today, the degree, 1 / 360 of a turn, or the mathematically more convenient radian, 1 / 2 π of a turn (used in the SI system of units) is generally used instead. In the 1970s – 1990s, most scientific calculators offered the gon (gradian), as well as radians and degrees, for their trigonometric functions . [ 23 ]
Despite the large difference in installed capacity between Three Gorges Dam and Itaipu Dam, they generate nearly equal amounts of electrical energy during the course of an entire year – Itaipu 103 terawatt-hours (370 PJ) in 2016 [1] and Three Gorges 111.8 TWh (402 PJ) in 2020, [2] because the Three Gorges experiences six months per year when ...
For example, rounding x = 2.1784 dollars to whole cents (i.e., to a multiple of 0.01) entails computing 2.1784 / 0.01 = 217.84, then rounding that to 218, and finally computing 218 × 0.01 = 2.18. When rounding to a predetermined number of significant digits , the increment m depends on the magnitude of the number to be rounded (or of the ...
Periodic motions of the Moon and of Earth in its orbit cause much smaller (9.2 arcseconds) short-period (about 18.6 years) oscillations of the rotation axis of Earth, known as nutation, which add a periodic component to Earth's obliquity. [22] [23] The true or instantaneous obliquity includes this nutation. [24]
The boilers had a total heated area of 2973 m 2. [13] During trials, the ship developed a speed of 22.15 knots (41.02 km/h; 25.49 mph) with forced draft (it was estimated that it could develop 22.5 knots, 41.7 km/h, 25.9 mph in good weather). [14] At the beginning of World War I, the cruiser was capable of developing 19 knots. [8]
During World War I, the United States Army received several British 9.2-inch (233.7 mm) howitzers, but was more impressed by the French Mortier de 280 modèle 1914 Schneider. 330 of the latter weapon, in a slightly modified form, were built under license by the mid-1920s as the M1918 240 mm howitzer. In 1925, it was concluded that the design ...
The twelfth root of two to 20 significant figures is 1.059 463 094 359 295 2646. [2] Fraction approximations in increasing order of accuracy include 18 / 17 , 89 / 84 , 196 / 185 , 1657 / 1564 , and 18904 / 17843 .