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A nuclear physicist studies the particles ejected by a beam of radioactive nuclei. According to a proposed theory, the average rates at which particles are ejected in the forward and backward directions should be equal. To test this theory, he counts the total number ejected forward and backward in a certain 10-hour inter- val and finds 998 forward and 1,037 backward. (a) What are the uncertainties asso- ciated with these numbers

Answer :

i’m not sure butting maybe
Onyebuchinnajigo

The uncertainty associated in counting of these numbers is ± 39

The given parameters;

  • the amount of particles counted forward = 998
  • the amount of particles counted backward = 1037

The uncertainty associated in these numbers is the error margin that exist when counting the numbers forward or backward. This uncertainty is calculated as follows;

uncertainties = ± (1,037 - 998)

uncertainties = ± 39

This uncertainty is plus 39 or minus 39

Thus, the uncertainty associated in counting of these numbers is ± 39

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