作业帮美国大学物理题Problem 1.An unstable Pu-‐240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-‐120 nuclei (mass 119.893 u) which then fly off far from each other.Find the final kinetic energy of one Ag-‐1
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美国大学物理题Problem 1.An unstable Pu-‐240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-‐120 nuclei (mass 119.893 u) which then fly off far from each other.Find the final kinetic energy of one Ag-‐1
美国大学物理题
Problem 1.An unstable Pu-‐240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-‐120 nuclei (mass 119.893 u) which then fly off far from each other.
Find the final kinetic energy of one Ag-‐120 nucleus when it is far from the other one.(1u = 1 atomic mass unit = 1.66 x 10-‐27 kg)
A) 1.61 x 10-‐11 J
B) 9.56 x 10-‐13 J C) 10.82 x 1012 J D) 5.67 x 10-‐12 J E) 3.22 x 10-‐11 J
美国大学物理题Problem 1.An unstable Pu-‐240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-‐120 nuclei (mass 119.893 u) which then fly off far from each other.Find the final kinetic energy of one Ag-‐1
答 案是A.
依据E=MC^2 核子反应之能量等于损耗的质量乘以光速的平方.损耗的质量=240.002-2*119.893U
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