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1. Initially, a particular sample has a total mass of 390 grams and contains 64 ⨯...

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Physics

1. Initially, a particular sample has a total mass of 390 gramsand contains 64 ⨯ 1010 radioactive nuclei. These radioactive nucleihave a half life of 1 hour. (a) After 4 hours, how many of theseradioactive nuclei remain in the sample (that is, how many have notyet experienced a radioactive decay)? Note that you can do thisproblem without a calculator. ⨯ 1010 radioactive nuclei (b) Afterthat same amount of time has elapsed, what is the total mass of thesample, to the nearest gram? g

A single atom of iron-56 has a mass, in atomic mass units, of55.93439375 u.

(a) Determine the mass defect, in atomic mass units.
u

(b) Determine the total binding energy, in MeV.
MeV

(c) Determine the average binding energy per nucleon.
MeV

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