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The formula is w = 2 d tan θ 2 {\displaystyle w=2d\,{\tan {{\theta } \over {2}}}} where w {\displaystyle w} is the optotype height or width (which are the same due to the optotype being on a square grid), d {\displaystyle d} is the distance from eye to chart, and θ {\displaystyle \theta } is the angle subtended by the optotype, which is 5 ...
This formula assumes that any hub gear is in direct drive. A further factor is needed for other gears (many online gear calculators have these factors built in for common hub gears). For simplicity, 'gear inches' is normally rounded to the nearest whole number. For example, suppose the drive wheel is actually 26 inches in diameter.
4. Kirkland Signature Organic Greek Nonfat Yogurt, Plain. $7.29, 3 lbs. Kosher, organic, non-fat, and packed with 18g of protein per serving, this is another hot buy from Costco that Business ...
Naturally occurring lithium (3 Li) is composed of two stable isotopes, lithium-6 (6 Li) and lithium-7 (7 Li), with the latter being far more abundant on Earth. Both of the natural isotopes have an unexpectedly low nuclear binding energy per nucleon (5 332.3312(3) keV for 6 Li and 5 606.4401(6) keV for 7 Li) when compared with the adjacent lighter and heavier elements, helium (7 073.9156(4) keV ...
Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...