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Problem: A typical chest X-ray uses X-rays with an RBE of 0.85.If the radiation dosage is 35 mrem, find the energy absorbed by a 72-kg patient, assuming one-quarter of the patient's body is exposed to the X-rays.

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Energy absorbed:

U=kDm, where k = 0.01  is radiation constant, D is dosage, and m is mass exposed to radiation.

The mass of the patient exposed to the X-ray is one-quarter.

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Problem Details

A typical chest X-ray uses X-rays with an RBE of 0.85.

If the radiation dosage is 35 mrem, find the energy absorbed by a 72-kg patient, assuming one-quarter of the patient's body is exposed to the X-rays.

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