Particularly Particle

Classical Mechanics Level pending

A beam of alpha particles (q = +2e) is directed at a uranium (Z = 92) target. The radius of a uranium nucleus is 7.4 × 10−15 m. The closest approach between the centers of an alpha particle to a stationary uranium nucleus is 30.0 × 10−15 m. What is the kinetic energy of the incident alpha particle in MeV? Round your answer to 1 significant figure.

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