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String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator of a perfectly spherical Earth. If the string should be raised 1 metre (3 ft 3 in) off the ground, all the way along the equator, how much longer would the string be?
String girdling Earth, another problem where the radius of a sphere or circle is counter-intuitively irrelevant; References Further reading ...
String girdling Earth Image title Visualisation of the String girdling Earth puzzle showing that the length added to the circumference (cyan) is dependent only on the additional radius (red) and not the original circumference (black), by CMG Lee.
String girdling Earth; T. Type in type; Type-in-type; V. Vanishing puzzle; Von Neumann paradox; Z. Zeno's paradoxes This page was last edited on 4 October 2021 ...
String girdling Earth; T. True length; W. Wavelength; Wetted perimeter; Wingspan; Work (physics) This page was last edited on 10 May 2022, at 06:18 (UTC). Text is ...
Having half a dozen earthquakes with a magnitude 2.5 or greater strike in a single week is not a common occurrence in Southern California.
Two astronauts who should have been back on Earth weeks ago said Wednesday that they’re confident that Boeing’s space capsule can return them safely, despite a string of vexing breakdowns.
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