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Nuclear Fission: an Excited U* Nucleus Undergoes Fission into Two

Question 78

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Nuclear fission: An excited Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV U* nucleus undergoes fission into two fragments, as shown: Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV U* → Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV Ba + Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV Kr The following atomic masses are known: Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV Kr: 91.926270 u Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV Ba: 143.922845 u Nuclear fission: An excited   U<sup>*</sup> nucleus undergoes fission into two fragments, as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10<sup>-27</sup> kg = 931.5 MeV/c<sup>2</sup>, 1/4πε<sub>0</sub> = 9.0 × 10<sup>9</sup> N * m<sup>2</sup>/C<sup>2</sup>)  A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV U*: 236.045563 u
Assume, at a given instant, that the two fission fragments are spherical, just barely in contact, and carry spherically symmetric charge distributions. At that instant, what is the electrostatic interaction energy of the two fragments, in MeV? (1 u = 1.6605 × 10-27 kg = 931.5 MeV/c2, 1/4πε0 = 9.0 × 109 N * m2/C2)


A) 230 MeV
B) 240 MeV
C) 250 MeV
D) 260 MeV
E) 270 MeV

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