A 135-lb person absorbs 3.3 ï‚´10-7 J of energy from radioactive emissions. How many rads does...

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Chemistry

A 135-lb person absorbs 3.3 ï‚´10-7 J of energy from radioactiveemissions. How many rads does she receive? (1 kg = 2.205 lb) 1 rad=.01J/kg

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3.7 Ratings (475 Votes)

Given mass of person , m = 135 lb

                                      = 135/2.205 kg                   Since 1 kg = 2.205 lb

                                      = 61.22 kg

61.22 kg person absorbs 3.3x10-7 J of energy

                                  = 3.3x10-7 J x(0.01 / 0.01)

                                  = 3.3x10-5 x 0.01 J

                                  = 3.3x10-5 rad


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