ferable to X rays for cancer treatmentbecause protons deliver most of their energy to the tumor, with less damage to healthytissue. A medical cyclotron repeatedly passes the protons through a 15 kV potentialdifference.
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1) Proton-beam therapy can be preferable to X rays for cancer treatmentbecause protons deliver most of their energy to the tumor, with less damage to healthytissue. A medical cyclotron repeatedly passes the protons through a 15 kV potentialdifference.
(a) How many passes are needed to bring the protons’ kinetic energy to 1.2×10−11J?
(b) What’s that energy in eV?
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