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Problem: Particles with a charge of 4e (electron) are sent through a velocity selector with crossed electric and magnetic fields of 9.5 x 10⁴V/m and .16 T respectively. They then enter an area with just the magnetic field, and the radius of their path is 8 cm.

Part A: What is the mass of the particles?

Please explain and show work so I can do it next time!

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