1230_Physics ProblemsTechnical Physics

1230_Physics ProblemsTechnical Physics - Chapter 44 571...

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Chapter 44 571 SOLUTIONS TO PROBLEMS Section 44.1 Some Properties of Nuclei P44.1 An iron nucleus (in hemoglobin) has a few more neutrons than protons, but in a typical water molecule there are eight neutrons and ten protons. So protons and neutrons are nearly equally numerous in your body, each contributing mass (say) 35 kg: 35 1 167 10 10 27 28 kg nucleon kg protons . ~ × F H G I K J and ~10 28 neutrons . The electron number is precisely equal to the proton number, 28 electrons . P44.2 1 2 2 mv q V =∆ and mv r qvB 2 = 2 22 mV q rB ∆= : r mV qB m == × 2 21000 160 10
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This note was uploaded on 12/15/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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