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Velocity was launched by Virgin Blue (later renamed Virgin Australia) in 2005 as Velocity Rewards, with partner National Australia Bank offering a companion credit card. [1] Initially, Velocity differed from most other frequent flyer programs with points earned being based on the cost of a flight, rather than distance.
In November 2007, Skywest joined the then Virgin Blue's loyalty program Velocity Rewards (now called Velocity). Velocity Points can be earned on all Virgin Australia Regional flights, excluding charter flights. Points awarded vary from 0.5 per mile to one per mile, depending on fare class. [27]
We thought that Virgin might allow its most loyal patrons to exchange frequent flyer points for trips to space, and now it looks like they hope to jump-start the process with a seriously stacked ...
Nectar is a loyalty card scheme in the United Kingdom run by Nectar 360 Limited, [2] [1] company wholly owned by Sainsbury's.The scheme is the largest in the United Kingdom, and comprises a number of partner companies including Sainsbury's, Esso, Argos and British Airways.
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An approximate rule of thumb for shock wave standoff distance is 0.14 times the nose radius. One can estimate the time of travel for a gas molecule from the shock wave to the stagnation point by assuming a free stream velocity of 7.8 km/s and a nose radius of 1 meter, i.e., time of travel is about 18 microseconds.
When the rays are lines of sight from an observer to two points in space, it is known as the apparent distance or apparent separation. Angular distance appears in mathematics (in particular geometry and trigonometry) and all natural sciences (e.g., kinematics, astronomy, and geophysics).
Circulation can be related to curl of a vector field V and, more specifically, to vorticity if the field is a fluid velocity field, =.. By Stokes' theorem, the flux of curl or vorticity vectors through a surface S is equal to the circulation around its perimeter, [4] = = =