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A negatively charged particle (m=7x10^-27kg and q=-1.6x10^-19C) enters a velocity selector where the electric field is...

A negatively charged particle (m=7x10^-27kg and q=-1.6x10^-19C) enters a velocity selector where the electric field is upward and 12,000 V/m. The magnetic field has a magnitude of 5 milliTesla.

1.) What is the speed of the particle?

2.) What is the direction of the B1 field?

3.) If it enters a second magnetic field B2=0.4 Tesla, directed into the page, what is the radius of the path? Start from Fc=mv^2/r = Fe

4.) Does it bend clockwise or counterclockwise?

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