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Questions 4: Uranium-238 disintegrates in the following manner: 238 920 - 234. 90Th + He The alpha particle (, He ) has kinetic energy of

Questions 4: Uranium-238 disintegrates in the following manner: 238 920 - 234. 90Th + He The alpha particle (, He ) has kinetic energy of 4.190 MeV. Determine the kinetic energy of Th (masses ; "9) ( = 238.050 8 u; "907/1 = 234.043 6 u; ; He= 4.002 6 u, lu=931.5 MeV) (ans= 0.095 MeV, hint= Q=KE of Th+KE of ? He)

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