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A regularity rally, also called time-speed-distance or TSD rally, is a type of motorsport rally with the object of driving each segment of a course in a specified time at a specified average speed. The rally is usually conducted on public roads, but sometimes includes off-road and track sections.
Position vectors r and r′ used in the calculation. Retarded time t r or t′ is calculated with a "speed-distance-time" calculation for EM fields.. If the EM field is radiated at position vector r′ (within the source charge distribution), and an observer at position r measures the EM field at time t, the time delay for the field to travel from the charge distribution to the observer is |r ...
A VASCAR unit uses a stopwatch and a simple computer. An operator records the moments that a vehicle passes two fixed objects (such as a white circle or square painted on the road) that are a known distance apart. The vehicle's average speed is then calculated by dividing the distance between the points by the time taken to travel between them.
The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; [2] the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero. Speed is the magnitude of velocity (a vector), which indicates additionally the direction of ...
Thus, τ and δ are constants defined by the wave speed and jam density, independent of the speed of the leading vehicle and the traffic state. The path of vehicle i, a function of time, can be determined using the equation: x i (t) = min(x A F (t), x A C (t)) Position of vehicle i under free-flow conditions: x i F (t) = x i (t-τ) + v f * τ
Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
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The trip computer's display in a 2004 Acura TL, tracking the average mileage, average speed, and distance traveled for the stated time period. Trip computer display A trip computer is a computer fitted to some cars ; most modern trip computers record, calculate, and display the distance travelled, the average speed, the average fuel consumption ...