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← ScienceWhich mechanism causes increased kinetic energy during nuclear fission?
A)Coulomb repulsion accelerating fragment separation✓
B)Increased neutron moderation probability
C)Enhanced rate of beta particle emissions
D)Quantum tunneling through potential barriers
💡 Explanation
Coulomb repulsion between fission fragments causes increased kinetic energy because the positively charged fragments strongly repel each other, therefore accelerating them outward from each other, rather than other options that affect reaction rate.
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