Question: How long a piece of string would be required to go around the equator? If the string were made l.0 meters longer and stretched out

How long a piece of string would be required to go around the equator? If the string were made l.0 meters longer and stretched out all the way around, how high would it be above the surface? Does the result surprise you?
The above problem regard tying string or gift-wrapping our planet, thought of as a sphere with radius 6500 km.

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The length of the string would be 2r 40840704 km Adding one met... View full answer

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