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An alpha particle is a nucleus of helium-4. It has twice the charge and four times...

An alpha particle is a nucleus of helium-4. It has twice the charge and four times the mass of the proton. An alpha particle and a proton are initially at rest a distance of 2.0 × 10^-13 m from each other. After they are released, what are their velocities when they are very far from each other?  Hint: There are two conserved quantities. Make use of both of them.

(c = 3.00 × 10^8 m/s, k = 9.0 × 10^9 N ∙ m^2/C^2, e = 1.60 × 10^-19 C, m_proton = 1.67 × 10^-27 kg)

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