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9 October, 01:58

An alpha particle (which has two protons) is sent directly toward a target nucleus with 90 protons. the alpha particle has a kinetic energy of 0.45 pj when far away. what is the least center-to-center distance that the alpha particle will be from the target nucleus, assuming that the nucleus does not move?

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  1. 9 October, 02:21
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    It does not move because of the sun the sun has no energy.
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