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AP Physics 2
15.7 Fission, Fusion, and Nuclear Decay
AdvancedMCQGraphicalMathematicalConceptual23.1k
A two-dimensional Cartesian graph plotting binding energy per nucleon in MeV per nucleon versus mass number A. The horizontal axis is labeled Mass Number, A, with major grid lines and ticks at 0, 40, 80, 120, 160, 200, and 240. The vertical axis is labeled Binding Energy per Nucleon, E_b/A (MeV/nucleon), with major grid lines and ticks from 0 to 10 in increments of 2. A smooth curve starts at the origin, rises rapidly to a peak near A = 56 at approximately 8.8 MeV/nucleon, and then gradually slopes downward to the right. A dashed horizontal line extends from 8.5 on the vertical axis to a labeled point at (120, 8.5) on the curve, with a vertical dashed line dropping to 120 on the horizontal axis. A second dashed horizontal line extends from 7.6 on the vertical axis to a labeled point at (240, 7.6) on the curve, with a vertical dashed line dropping to 240 on the horizontal axis. No other labels, lines, text, or axes appear.
Binding energy per nucleon as a function of mass number.
A heavy nucleus with mass number \(A = 240\) undergoes symmetric fission, splitting into two identical daughter nuclei, each with mass number \(A = 120\). The graph shows the binding energy per nucleon, \(E_b/A\), as a function of mass number \(A\). Based on the graph, what is the total energy released during this fission process?

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