Frank L. H. Wolfs
Department of Physics and Astronomy, University of Rochester, Slide 36
Consequences of Einstein's special theory of relativity: Length contraction.
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¥ Observer 1 measures the length of the meter stick.  Her observations are summarized in the following table.
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¥V Dx1
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¥0 km/s 1 m
¥10 km/s 1 m
¥1000 km/s 0.999994 m
¥100000 km/s  0.943 m
¥200000 km/s  0.745 m
¥290000 km/s  0.253 m
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¥Note: 10 km/s = 22,500 mi/h
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V
Meter stick
Dx2 = 1 meter