UsingRelativity - Using Relativity Having been shown the...

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Using Relativity Having been shown the odd equations that must be employed when relativistic speeds are involved, it is now time for you to see how to use them. One useful device for glimpsing the peculiarities of relativity is a modified form of a space-time diagram . In the figure at right, time is measured along the vertical axis (marked off by the pink lines) while distance is shown on the horizontal (graduated in turquoise). Atop this normal graph is second one with hyperbolic lines in red and blue. Finally, there is a purple line lying at 45° to indicate the speed of light. The green line is shown to indicate the space-time path of an object moving at three- fifths of light speed. (Any speed less than c will work on this graph as long as it is constant and starts in the lower left corner.) Notice that this line proceeds three squares to the right for every five squares it goes up. At a high speed such as 60% of c , the effects of relativity are pronounced. The hyperbolic lines give the space and time as perceived by
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