A +5.0 uC point charge is placed at the 0 cm mark of a meter stick and a -4.0 °C charge is
placed at the 50 cm mark. What is the net electric field at the 30 cm mark?
(k = 1/4nę, = 8.99 x 10'Nm²/C3
(2.1) (1 poi

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