A cyclotron is a machine that can be used to accelerate charged particles to achieve large kinetic energies.  The resulting beams of highly energetic particles then can be used for many medical applications, including Proton Therapy (a more precise form of "radiation" used in the treatment of some cancers).     A description of the cyclotron can be found in section 19.3 of the text.  If a proton (of mass 1.673x10-27kg) is accelerated to its maximum velocity inside a dee with radius 2.08cm (this is the radius you would use for the "r" term in the centripetal acceleration), and if the magnetic field has a magnitude of 2.44x10-2T, what is the resulting velocity of the proton in units of km/s (kilometer per second)?

Glencoe Physics: Principles and Problems, Student Edition
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Chapter24: Magnetic Fields
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A cyclotron is a machine that can be used to accelerate charged particles to achieve large kinetic energies.  The resulting beams of highly energetic particles then can be used for many medical applications, including Proton Therapy (a more precise form of "radiation" used in the treatment of some cancers).  

 

A description of the cyclotron can be found in section 19.3 of the text.  If a proton (of mass 1.673x10-27kg) is accelerated to its maximum velocity inside a dee with radius 2.08cm (this is the radius you would use for the "r" term in the centripetal acceleration), and if the magnetic field has a magnitude of 2.44x10-2T, what is the resulting velocity of the proton in units of km/s (kilometer per second)? 

South pole of magnet
High-frequency
alternating
voltage
Electric field
between the dees
- Source of
protons
Dees
-Particle path
North pole of magnet
Transcribed Image Text:South pole of magnet High-frequency alternating voltage Electric field between the dees - Source of protons Dees -Particle path North pole of magnet
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