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Two alpha particles (helium nuclei), each con- sisting of two protons and two neutrons, have an electrical potential energy of 6.2 10-19 J. 2

Two alpha particles (helium nuclei), each con- sisting of two protons and two neutrons, have an electrical potential energy of 6.2 10-19 J. 2 What is the distance between these par- ticles at this time? The Coulomb constant is 8.98755 10 N.m/C, the elemental charge is 1.6021 10-19 C, and the accel- eration due to gravity is 9.8 m/s. Answer in units of m.

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