Back to 31.5 Half-Life and Activity

31.5 Exercise 10

Avg difficulty 2.5

Data from the appendices and the periodic table may be needed for these problems.

An old campfire is uncovered during an archaeological dig. Its charcoal is found to contain less than 1/1000 the normal amount of 14C^{\text{14}} \text{C}. Estimate the minimum age of the charcoal, noting that 210=10242^{\text{10}} = \text{1024}.

OpenStax College Physics 2e, 31.5 Half-Life and Activity, exercise 10

AI Tutor

Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.