A nucleus with mass number 220 initially at rest emits an \( \alpha \)-particle. If the \( Q \) ...

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A nucleus with mass number 220 initially at rest emits an \( \alpha \)-particle. If the \( Q \) value of the reaction is \( 5.5 \mathrm{MeV} \), calculate the kinetic energy of the \( \alpha \)-particle
(A) \( 4.4 \mathrm{MeV} \)
(B) \( 5.4 \mathrm{MeV} \)
(C) \( 5.6 \mathrm{MeV} \)
(D) \( 6.5 \mathrm{MeV} \)
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