rapidity (Q1366833)
physical quantity, defined as arctangent of speed (divided by the speed of light)
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Current Data About rapidity
(P279) (Q107715)

(P2534) \theta=c\,\mathrm{Arth}\,\frac{v}{c}=\frac{c}{2}\ln\frac{1+\dfrac{v}{c}}{1-\dfrac{v}{c}}
(P143)

(P4020) 1

(P6104) (Q8487137)

(P7973) \theta
(P487) θ
(P913)

other details
description physical quantity, defined as arctangent of speed (divided by the speed of light)

External Links
(P646) /m/04y5lfz
(P4215) rapidity
(P5064) Rapidity
(P6366) 107165499
(P7431) Rapidity
(P10283) C107165499