A helium nucleus is composed of two protons (positively charged) and two neutrons (charge neutral). The distance between the two protons in the nucleus is 5.18E-15 m. What is the electric force between the two protons (in Newtons; use positive sign for repulsive forces and negative sign for attractive forces)
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A helium nucleus is composed of two protons (positively charged) and two neutrons (charge neutral)....
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