Physics, 22.08.2019 19:20 kooygi5278
Aparticular radioactive source produces 123 mrad of 1.56 mev gamma rays per hour at a distance of 1.63 m. a. how long could a person stand at this distance before accumulating an intolerable dose of 1.00 rem?
b. assuming the gamma radiation is emitted uniformly in all directions, at what distance would a person receive a dose of 12.3 mrad/hr from this source?
Answers: 3
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Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount
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Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
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Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
Answers: 1
Aparticular radioactive source produces 123 mrad of 1.56 mev gamma rays per hour at a distance of 1....
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