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It is because all lines of longitude originate and converge there.
lamda /2
the maximum clipping distance is the space between your eyes and your nose divided 2
Six feet
In the British Building Regulations, it is 12 metres on a straight run. James
The maximum distance an IrDA device can trasmit is 1 meter. The effective range between two IrDA devices is 2 meters.
What is the distance between (4, -2) and (-1,6)?
What is the distance between (4, -2) and (-1,6)?
What is the distance between (4, -2) and (-1,6)?
Between 2 standard IR devices it is 1 meter. Between 2 low power IR devices it is 0.3 meter Between a standard and a low power IR device it is 0.2 meter
Just subtract the lowest number from the greatest number. For example, the distance between 3 and 8, is 8 - 3 = 5 units, the distance between -2 and 3, is 3 - (-2) = 3 + 2 = 5 units, the distance between -4 and -2, is -2 - (-4) = -2 + 4 = 2 units.
(Distance)2 = (2 - 5)2 + (6 - 2)2