A charged dust particle at rest in a vacuum is held motionless by an upward-directed 575...
A charged dust particle at rest in a vacuum is held motionless by an upward-directed 575 N/C electric field. If the dust particle has a mass of 5.20 ✕ 10^−10 kg, find the charge on the dust particle and the number of electrons that must be added to neutralize it.
(a)the charge (in C) on the dust particle
C
(b)the number of electrons that must be added to neutralize it
electrons
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