According to the nuclear energy curve, would fusion or fission or neither release nuclear energy from gold atomic number 79, and why?
A) Fission, because then the reaction products have higher atomic numbers and thus a higher nuclear energy.
B) Fusion, because then the reaction product has a higher atomic number and thus a lower nuclear energy.
C) Fission, because then the reaction products have lower atomic numbers and thus a lower nuclear energy.
D) Neither, because all other elements have higher nuclear energies than carbon.
E) Fusion, because then the reaction product has a lower atomic number and thus a higher nuclear energy.
Question 2
A ball is thrown downward in the absence of air resistance. After it has been released, which statement(s) concerning its acceleration is correct? (There could be more than one correct choice.)
A) Its acceleration is constantly decreasing.
B) Its acceleration is constant.
C) Its acceleration is constantly increasing.
D) Its acceleration is zero.
E) Its acceleration is greater than g.
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