The amount of meat in prehistoric diets can be determined by measuring the ratio of the...

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The amount of meat in prehistoric diets can be determined bymeasuring the ratio of the isotopes nitrogen-15 to nitrogen-14 inbone from human remains. Carnivores concentrate 15N, so this ratiotells archaeologists how much meat was consumed by ancient people.Suppose you use a velocity selector to obtain singly-ionized(missing one electron) nitrogen atoms of speed 8.95 km/s and bendthem along a semicircle within a uniform magnetic field. The 14Natoms travel along a semicircle with a diameter of 27.5 cm . Themeasured masses of these isotopes are 2.32Ã—10âˆ’26 kg (14N) and2.49Ã—10âˆ’26 kg for (15N). Find the separation of the 14N and 15Nisotopes at the detector.

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4.1 Ratings (836 Votes)

Step 1 Find value of uniform magnetic field using force balance on the 14N atoms Force on Nitrogen14 ions will be Force due to circular motion Force due to magnetic field Fc See Answer

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