A 6000 kg African elephant walks 13 meter around the park. Determine the acceleration of
an African elephant in m/s2 if it has a work
done of 500J.

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material