distributed by the flywheel is therefore: K E fly = η fly m v 2 2 {\displaystyle KE_{\text{fly}}={\frac {\eta _{\text{fly}}mv^{2}}{2}}} Regenerative braking has...
56 KB (6,313 words) - 21:41, 29 January 2025
as a phrase to warn of the coming of the police (typically "22, v'là les flics !" (In English: "5-0! Cops!") In Spanish lottery and bingo, 22 is nicknamed...
4 KB (475 words) - 19:17, 3 February 2025
{\displaystyle {\frac {v^{2}}{2}}+\left({\frac {\gamma }{\gamma -1}}\right){\frac {p}{\rho }}=\left({\frac {\gamma }{\gamma -1}}\right){\frac {p_{0}}{\rho...
75 KB (10,206 words) - 01:07, 29 January 2025
terminal velocity is given by V t = 2 m g ρ A C d {\displaystyle V_{t}={\sqrt {\frac {2mg}{\rho AC_{d}}}}} where V t {\displaystyle V_{t}} represents terminal...
18 KB (2,620 words) - 14:58, 22 February 2025
d W d t d R d t = − F V , {\displaystyle {\frac {dW}{dR}}={\frac {\frac {dW}{dt}}{\frac {dR}{dt}}}=-{\frac {F}{V}},} where V {\displaystyle V} is the...
17 KB (2,764 words) - 12:19, 22 January 2025
Δ t = s ( t 1 ) − s ( t 0 ) t 1 − t 0 . {\displaystyle {\frac {\Delta s}{\Delta t}}={\frac {s(t_{1})-s(t_{0})}{t_{1}-t_{0}}}.} Here, the Greek letter...
126 KB (15,843 words) - 23:59, 24 February 2025
{\displaystyle {\frac {L}{r^{2}}}{\frac {d}{d\theta }}\left({\frac {L}{mr^{2}}}{\frac {dr}{d\theta }}\right)-{\frac {L^{2}}{mr^{3}}}=-{\frac {dV}{dr}}.} This...
13 KB (2,536 words) - 15:03, 16 December 2024
dS={\frac {1}{T}}\sum _{j}E_{j}dP_{j}={\frac {1}{T}}\sum _{j}d\left(E_{j}P_{j}\right)-{\frac {1}{T}}\sum _{j}P_{j}dE_{j}={\frac {dE+\delta W}{T}}={\frac {\delta...
107 KB (15,415 words) - 19:13, 24 February 2025
2 , {\displaystyle F=G{\frac {m_{1}m_{2}}{r^{2}}}=\left({\frac {F_{\text{P}}l_{\text{P}}^{2}}{m_{\text{P}}^{2}}}\right){\frac {m_{1}m_{2}}{r^{2}}},} can...
56 KB (6,366 words) - 17:51, 19 February 2025
physicist and philosopher Ernst Mach. M = u c , {\displaystyle \mathrm {M} ={\frac {u}{c}},} where: M is the local Mach number, u is the local flow velocity...
19 KB (2,205 words) - 03:40, 26 January 2025
}={\frac {\mu _{0}q^{2}}{6\pi mc}}\left[{\frac {d^{2}p_{\mu }}{d\tau ^{2}}}-{\frac {p_{\mu }}{m^{2}c^{2}}}\left({\frac {dp_{\nu }}{d\tau }}{\frac {dp^{\nu...
38 KB (5,485 words) - 15:59, 18 November 2024
}={\frac {t_{a}-{\frac {vx_{a}}{c^{2}}}}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}},\ t_{b}^{\prime }={\frac {t_{b}-{\frac {vx_{b}}{c^{2}}}}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}}}...
52 KB (6,631 words) - 00:46, 19 February 2025
frac {V+c_{m}'}{1+{\frac {Vc_{m}'}{c^{2}}}}}={\frac {V+{\frac {c}{n}}}{1+{\frac {Vc}{nc^{2}}}}}={\frac {c}{n}}{\frac {1+{\frac {nV}{c}}}{1+{\frac {V}{nc}}}}\\&={\frac...
61 KB (11,184 words) - 00:57, 2 February 2025
{\displaystyle {\begin{aligned}{\frac {\mathrm {d} \mathbf {T} }{\mathrm {d} s}}&=\kappa \mathbf {N} ,\\[4pt]{\frac {\mathrm {d} \mathbf {N} }{\mathrm...
35 KB (4,980 words) - 22:37, 27 October 2024
split off into their own pipeline from there. Going to A-School (13 weeks), FRAC(about 1 year long), SERE (2 weeks). AWRs perform the same jobs as regular...
17 KB (2,249 words) - 08:15, 9 February 2025
7000{\text{ forager bees}}\times {\frac {10{\text{ trips in good flying weather}}}{\text{ per day}}}\times {\frac {70{\text{ mg of nectar during honey...
3 KB (460 words) - 07:45, 11 February 2022
{\displaystyle {\frac {{\frac {L_{p}}{A}}{\frac {N_{r}}{C}}-{\frac {N_{p}}{C}}{\frac {L_{r}}{A}}}{{\frac {N_{p}}{C}}{\frac {E}{A}}-{\frac {L_{p}}{A}}}}}...
49 KB (8,502 words) - 03:17, 14 February 2025
x ) 2 = 1 2 m i u 0 2 − e φ ( x ) {\displaystyle {\frac {1}{2}}m_{\mathrm {i} }\,u(x)^{2}={\frac {1}{2}}m_{\mathrm {i} }\,u_{0}^{2}-e\,\varphi (x)} ...
12 KB (2,133 words) - 03:05, 15 September 2024
+ z + 1 z 2 . {\displaystyle H(z)={\frac {1}{3}}+{\frac {1}{3}}z^{-1}+{\frac {1}{3}}z^{-2}={\frac {1}{3}}{\frac {z^{2}+z+1}{z^{2}}}.} The next figure...
18 KB (3,089 words) - 12:26, 18 August 2024
ln ( 1 + 1 γ se ) ] {\displaystyle V_{\text{B}}={\frac {Bpd}{\ln(Apd)-\ln \left[\ln \left(1+{\frac {1}{\gamma _{\text{se}}}}\right)\right]}}} where V...
22 KB (2,794 words) - 13:18, 6 January 2025
{\displaystyle {\begin{aligned}\mu _{i}^{(l)}&={\frac {1}{B}}\sum _{b=1}^{B}x_{(b),i}^{(l)}\\(\sigma _{i}^{(l)})^{2}&={\frac {1}{B}}\sum _{b=1}^{B}(x_{(b),i}^{(l)}-\mu...
31 KB (4,740 words) - 02:07, 19 January 2025
− 3 2 R + b 2 2 R 3 ) {\displaystyle {\frac {1}{2}}mv^{2}=NeE\cdot \left({\frac {1}{b}}-{\frac {3}{2R}}+{\frac {b^{2}}{2R^{3}}}\right)} In Rutherford's...
100 KB (13,457 words) - 18:16, 24 February 2025
degree of freedom:: 85 χ ν 2 = χ 2 ν , {\displaystyle \chi _{\nu }^{2}={\frac {\chi ^{2}}{\nu }},} where the chi-squared is a weighted sum of squared deviations:...
12 KB (1,867 words) - 19:00, 25 November 2024
{\begin{aligned}{\frac {\delta r}{\delta \theta }}&=-{\frac {1}{u^{2}}}{\frac {\delta u}{\delta \theta }}=-{\frac {h}{m}}{\frac {\delta u}{\delta \theta }}\\{\frac {\delta...
57 KB (8,123 words) - 19:52, 29 January 2025
i\approx -{\frac {2\rho }{3J_{2}R_{\text{E}}^{2}{\sqrt {\mu }}}}a^{7/2}=-\left({\frac {a}{12\,352{\text{ km}}}}\right)^{7/2}=-\left({\frac {T}{3.795{\text{...
14 KB (1,657 words) - 08:59, 12 December 2024
Q={\begin{pmatrix}-1&{\frac {1}{2}}&&{\frac {1}{2}}\\{\frac {1}{4}}&-1&{\frac {1}{4}}&&{\frac {1}{4}}&&&{\frac {1}{4}}\\&{\frac {1}{2}}&-1&&&{\frac {1}{2}}\\{\frac {1}{3}}&&&-1&{\frac...
23 KB (4,241 words) - 22:53, 10 December 2024
{\displaystyle \left({\frac {T}{W}}\right)_{\text{cruise}}=\left({\frac {D}{L}}\right)_{\text{cruise}}={\frac {1}{\left({\frac {L}{D}}\right)_{\text{cruise}}}}...
24 KB (1,742 words) - 18:07, 17 February 2025
{\displaystyle {\begin{aligned}{\frac {\partial {\mathcal {E}}}{\partial x_{\ell }}}&={\frac {\partial {\mathcal {E}}}{\partial x_{L}}}{\frac {\partial x_{L}}{\partial...
26 KB (2,876 words) - 18:27, 9 January 2025
ρ A C D 2 m v 2 = d v d t . {\displaystyle {\frac {1}{m}}\sum F(v)-{\frac {\rho AC_{D}}{2m}}v^{2}={\frac {dv}{dt}}.\,} For a potato-shaped object of average...
40 KB (5,686 words) - 19:39, 15 February 2025