A small piece of dust ofmass m 23 microg travels through, Ask an Expert

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A small piece of dust ofmass m = 2.3 µg travels through an electric aircleaner in which the electric field is 567 N/C. The electric force on the dustparticle is equal to the weight of the particle.

a) What is the charge on the dust particle?
C
b) If this charge is provided by an excess of electrons, how manyelectrons does that correspond to?
electrons

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