Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: The age of the body

  1. May 20, 2008 #1
    In 1991, hikers found the frozen remains of a man in a glacier in the Alps, near the Austrian-Italian border. Carbon-14 analysis of tissue samples taken from the body revealed that the ratio of carbon-14 was 52.7% of what it was originally. Calculate the age of the body.

    A formula to calculate how old a sample is by carbon-14 dating is:
    t = [ ln (Nf/No) / (-0.693) ] x t1/2
    where ln is the natural logarithm,
    Nf/No is the percent of carbon-14 in the sample compared to the amount in living tissue
    t1/2 is the half-life of carbon-14 (5,700 years).

    Is that right?
  2. jcsd
  3. May 20, 2008 #2
    Certainly looks it.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook