00:00A device used in
00:09Rayshonthropy for cancer
00:11contain 0.5 gram of cobalt
00:1659.93 amu
00:18the half life
00:25of cobalt
00:285.27
00:29determine the activity of the
00:31radioactive material
00:34given master.5
00:35half life
00:38year
00:38days
00:39convert
00:413600
00:42seconds
00:47activity
00:48amu
00:4959.8
00:52now
00:53this
00:56n
01:26n
01:29n
01:29n
01:31n
01:31n
01:32n
01:32n
01:32n
01:32n
01:32n
01:32n
01:33n
01:33n
01:33n
01:34n
01:35n
01:35n
01:36n
01:36n
01:36n
01:36n
01:36n
01:37n
01:37n
01:37n
01:37n
01:37n
01:37n
01:37n
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