If a 4.20 lb cat absorbs 4.40 × 10−5 KJ of radiation, how many rads did this cat absorb?

Question

If a 4.20 lb cat absorbs 4.40 × 10−5 KJ of radiation, how many rads did this cat absorb?

Answer 1

1 rad = 0.01 J/kg. The 4.2/2.2 kg cat absorbs 0.044 J radiation, making 0.044*2.2/4.2 J/kg or 4.4*2.2/4.2 rad. If you have a better number for pounds/kg, use it instead of 2.2.