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  • Thumbnail for Northrop B-2 Spirit
    The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed...
    120 KB (12,255 words) - 18:45, 14 September 2024
  • Thumbnail for Pythagorean theorem
    a 2 + b 2 − K 3 a 2 b 2 − K 2 45 a 2 b 2 ( a 2 + b 2 ) − 2 K 3 945 a 2 b 2 ( a 2 − b 2 ) 2 + O ( K 4 c 10 ) . {\displaystyle c^{2}=a^{2}+b^{2}-{\frac...
    92 KB (12,566 words) - 06:51, 6 September 2024
  • Thumbnail for Ellipse
    2 b {\displaystyle 2b} is: x 2 a 2 + y 2 b 2 = 1. {\displaystyle {\frac {x^{2}}{a^{2}}}+{\frac {y^{2}}{b^{2}}}=1.} Assuming a ≥ b {\displaystyle a\geq...
    85 KB (15,935 words) - 21:19, 6 September 2024
  • Thumbnail for Circumference
    C\leq 4(a+b),} 4 a 2 + b 2 ≤ C ≤ π 2 ( a 2 + b 2 ) . {\displaystyle 4{\sqrt {a^{2}+b^{2}}}\leq C\leq \pi {\sqrt {2\left(a^{2}+b^{2}\right)}}.} Here the...
    7 KB (1,039 words) - 01:00, 31 August 2024
  • Thumbnail for Cross product
    a 1 b 1 0 + a 1 b 2 k − a 1 b 3 j − a 2 b 1 k + a 2 b 2 0 + a 2 b 3 i + a 3 b 1 j   − a 3 b 2 i   + a 3 b 3 0 = ( a 2 b 3 − a 3 b 2 ) i + ( a 3 b 1 −...
    75 KB (11,475 words) - 18:39, 5 September 2024
  • the quadratic equation: ( x + b 2 a ) 2 = b 2 − 4 a c 4 a 2 . {\displaystyle \left(x+{\frac {b}{2a}}\right)^{2}={\frac {b^{2}-4ac}{4a^{2}}}.} Taking the...
    52 KB (6,541 words) - 20:22, 13 September 2024
  • Thumbnail for Quadratic formula
    b + b 2 − 4 a c 2 a , x 2 = − b − b 2 − 4 a c 2 a . {\displaystyle x_{1}={\frac {-b+{\sqrt {b^{2}-4ac}}}{2a}},\qquad x_{2}={\frac {-b-{\sqrt {b^{2}-4ac}}}{2a}}...
    34 KB (5,652 words) - 16:13, 5 September 2024
  • Thumbnail for Avro Vulcan
    Avro Vulcan (redirect from Avro Vulcan B.2)
    delivered to the RAF in 1956; deliveries of the improved Vulcan B.2 started in 1960. The B.2 featured more powerful engines, a larger wing, an improved electrical...
    122 KB (15,614 words) - 02:48, 7 September 2024
  • Thumbnail for English Electric Canberra
    conversion of B.2 for the RAF and Royal Navy, 22 conversions. Canberra T.19 T.11 with radar removed as silent target. Canberra B.20 B.2 with additional...
    119 KB (14,372 words) - 17:46, 7 September 2024
  • Thumbnail for Semi-major and semi-minor axes
    ℓ = a ( 1 − e 2 ) , a ℓ = b 2 . {\displaystyle {\begin{aligned}b&=a{\sqrt {1-e^{2}}},\\\ell &=a(1-e^{2}),\\a\ell &=b^{2}.\end{aligned}}} The semi-major...
    17 KB (2,374 words) - 14:15, 20 August 2024
  • Thumbnail for Helix
    {a^{2}+b^{2}}}}\mathbf {k} } The unit tangent vector is d r d s = T = − a a 2 + b 2 sin ⁡ s a 2 + b 2 i + a a 2 + b 2 cos ⁡ s a 2 + b 2 j + b a 2 + b 2 k {\displaystyle...
    12 KB (1,808 words) - 08:31, 15 August 2024
  • Thumbnail for Conic section
    ( x y ) ( A B / 2 B / 2 C ) ( x y ) + ( D E ) ( x y ) + F = 0. {\displaystyle {\begin{pmatrix}x&y\end{pmatrix}}{\begin{pmatrix}A&B/2\\B/2...
    69 KB (9,173 words) - 08:39, 31 August 2024
  • Thumbnail for Uncertainty principle
    σ A 2 σ B 2 ≥ | 1 2 ⟨ { A ^ , B ^ } ⟩ − ⟨ A ^ ⟩ ⟨ B ^ ⟩ | 2 + | 1 2 i ⟨ [ A ^ , B ^ ] ⟩ | 2 , {\displaystyle \sigma _{A}^{2}\sigma _{B}^{2}\geq \left|{\frac...
    139 KB (19,253 words) - 18:12, 13 September 2024
  • Thumbnail for Trapezoid
    it follows that K = ( a b 2 − a 2 b − a d 2 + b c 2 ) ( a b 2 − a 2 b − a c 2 + b d 2 ) 4 ( b − a ) 2 − ( c 2 + d 2 − a 2 − b 2 4 ) 2 . {\displaystyle...
    25 KB (3,092 words) - 09:41, 8 September 2024
  • Thumbnail for Quadrilateral
    b 2 q 2 1 p 2 b 2 0 c 2 1 d 2 q 2 c 2 0 1 1 1 1 1 0 ] = 0. {\displaystyle \det {\begin{bmatrix}0&a^{2}&p^{2}&d^{2}&1\\a^{2}&0&b^{2}&q^{2}&1\\p^{2}&b...
    47 KB (6,850 words) - 19:06, 14 September 2024
  • Thumbnail for Law of cosines
    a 2 + b 2 − 2 a b cos ⁡ γ , a 2 = b 2 + c 2 − 2 b c cos ⁡ α , b 2 = a 2 + c 2 − 2 a c cos ⁡ β . {\displaystyle {\begin{aligned}c^{2}&=a^{2}+b^{2}-2ab\cos...
    36 KB (5,707 words) - 22:16, 18 August 2024
  • Thumbnail for Stealth aircraft
    around stealth technology. Other examples of stealth aircraft include the B-2 Spirit, the B-21 Raider, the F-22 Raptor, the F-35 Lightning II, the Chengdu...
    48 KB (4,756 words) - 21:24, 4 September 2024
  • Thumbnail for Euclidean vector
    a 3 b 2 ) e 1 + ( a 3 b 1 − a 1 b 3 ) e 2 + ( a 1 b 2 − a 2 b 1 ) e 3 . {\displaystyle {\mathbf {a} }\times {\mathbf {b} }=(a_{2}b_{3}-a_{3}b_{2}){\mathbf...
    61 KB (9,100 words) - 03:36, 11 September 2024
  • =[a_{1},a_{2},\cdots ,a_{n}]} and b = [ b 1 , b 2 , ⋯ , b n ] {\displaystyle \mathbf {b} =[b_{1},b_{2},\cdots ,b_{n}]} , specified with respect to an...
    28 KB (4,320 words) - 10:11, 28 July 2024
  • Thumbnail for Riboflavin
    Riboflavin (redirect from Vitamin B-2)
    Weygand F, Ströbele R (1935). "Über die Synthese des Lactoflavins (Vitamin B 2 )". Berichte der Deutschen Chemischen Gesellschaft (A and B Series) (in German)...
    56 KB (5,564 words) - 16:09, 11 September 2024
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