Physics, 13.03.2020 22:50, aliceohern

Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. These cyclotrons typically accelerate H− (the hydride ion, which has one proton and two electrons) to an energy of 5 MeV to 20 MeV. This ion has a mass very close to that of a proton because the electron mass is negligible-about 12000 of the proton’s mass. A typical magnetic field in such cyclotrons is 1.9 T. (a) What is the speed of a 5.0−MeVH−? (b) If the H has energy 5.0 MeV and B = 1.9 T, what is the radius of this ion’s circular orbit?

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Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. These...