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【简答题】
同位素3He核由两个质子和一个中子组成，它的静质量为3.01440u(1u=1.600x10^－27kg)。(1)以MeV为单位，3He的静能为多少?(2)取出一个质子使3He成为2H(静质量为2.0135u)加一个质子(静质量为1.0073u)，试问需要多少能量?
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参考解析：
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