gc textbook chapter 7 Linear Momentum (id: 5c035fd11)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理

[填空题]
An atomic nucleus at rest decays upfj .uza*4.tradioactivel uvms. wxn6x+tg6:e(uy into an alpha particle and a smaller nucleus. What will be txw6t6 (.xvun m e+sg:uhe speed of this recoiling nucleus if the speed of the alpha particle is $ 3.8\times10^{5 }$m/s Assume the recoiling nucleus has a mass 57 times greater than that of the alpha particle.    m/s

参考答案: 6700±2%


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