n a certain particle accelerator, protons travel around a circular path of diameter 23.0 m in an evacuated chamber, in which the residual gas is at temperature 295 K and 1.00×10-0 torr pressure. a) Calculate the number of residual gas molecules per cubic centimeter at this pressure. b) What is the mean free path of the gas molecules if the molecular diameter is 2.00×10-° cm? Answers: a) 3.27×10'0 / cm? b) 172 m

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.