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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 Australia, the company is now counting 'Velocity Points' as entry to a drawing where you could win 25 million frequent flyer miles -- or exactly the amount you need to get yourself a space ...
Points are at 0.05 s intervals and length of their tails is linearly proportional to their speed. t = time from launch, T = time of flight, R = range and H = highest point of trajectory (indicated with arrows). The range, R, is the greatest distance the object travels along the x-axis in the I sector.
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(Any bonus points were limited to 2,000 points per week. The limit a member can bank is 10,000 points total weekly.) Plus, the program had an expiration date on the codes that have been entered, or through end of June 2017. Points expired after that date, meaning a customer had to add points to their account or claim a prize by the deadline. [9]
Barnard's Star's transverse speed is 90 km/s and its radial velocity is 111 km/s (perpendicular (at a right, 90° angle), which gives a true or "space" motion of 142 km/s. True or absolute motion is more difficult to measure than the proper motion, because the true transverse velocity involves the product of the proper motion times the distance.
In fluid dynamics, a stagnation point flow refers to a fluid flow in the neighbourhood of a stagnation point (in two-dimensional flows) or a stagnation line (in three-dimensional flows) with which the stagnation point/line refers to a point/line where the velocity is zero in the inviscid approximation. The flow specifically considers a class of ...
The 0.8 comes from rounding in order to allow easy entry on hand calculators. Since the Pejsa model does not use a simple chord weighted average, two velocity measurements are used to find the chord average retardation coefficient at midrange between the two velocity measurements points, limiting it to short range accuracy.