# Nuclear Physics Calculations

A patient undergoing radiation therapy for cancer receives a 215-rad dose of radiation. (a) Assuming that the cancerous growth has a mass of 0.17kg, calculate how much energy it absorbs. (b) Assuming the growth to have the specific heat of water, determine its increase in temperature.

Answer

A. 0.37 J

B 0.51 mK

A drug prepared for a patient is tagged with 99 Tc, which has a half-life of 6.05h.

43

(a) What is the decay constant of this isotope?

(B) How many nuclei are required to give an activity of 1.50 uCi?

Answer

A. 0.115h^-1

B. 1.7x10^9 nuclei

https://brainmass.com/physics/isotopes/nuclear-physics-calculations-66239

#### Solution Preview

Hello and thank you for posting your question to Brainmass!

The solution is attached below (next to the paperclip icon) in two formats. one is in Word XP Format, while the other is in Adobe pdf format. Therefore you can choose the format that is most suitable to you.

A patient undergoing radiation therapy for cancer receives a 215-rad dose of radiation. (a) Assuming that the cancerous growth has a mass of 0.17kg, calculate how much energy it absorbs. (b) Assuming the growth to have the ...

#### Solution Summary

This Solution contains calculations to aid you in understanding the Solution to these questions.