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Unformatted text preview: tains carbon-14 with a decay-constant of 1.245 10 4 per year. Living wood has a rate of disintegration of 6.68 per minute per gram of sample. When the tabletop was inspected in 1977 the rate of disintegration was found to be 6.08 per minute per gram of sample. Given King Arthur was on the throne in the Ffth century AD, demonstrate that the tabletop at Winchester was not that of King Arthur. 8. (Use information in exercise 7.) In 1950 the Babylonian city of Nippur was excavated. In this excavation there was charcoal from a wooden roof beam which gave off a carbon-14 disintegration count of 4.09 per minute...
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- Fall '11