A particle has been ionized so that it has a charge +6.4 C, but it has an unknown mass. The particle begins at rest at the left plate and falls from a 20 V potential to a 0 V potential. At that moment it enters a magnetic field of size 1.7 T that points into the page. The particle is observed to move in a circle of radius 2.3 m. Deduce the mass of the particle, in kg. This is how a mass spectrometer determines the mass of unknown particles, thereby determining its identity. (Please answer to the fourth decimal place - i.e 14.3225)

A particle has been ionized so that it has a charge +6.4 C, but it has an unknown mass. The particle begins at rest at the left plate and falls from a 20 V potential to a 0 V potential. At that moment it enters a magnetic field of size 1.7 T that points into the page. The particle is observed to move in a circle of radius 2.3 m. Deduce the mass of the particle, in kg. This is how a mass spectrometer determines the mass of unknown particles, thereby determining its identity. (Please answer to the fourth decimal place - i.e 14.3225)

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