The earth has not only a magnetic field (which directs your compass), but an atm

Question

The earth has not only a magnetic field (which directs your compass), but an atmospheric electric field. During days of fair weather (no thunder clouds), this atmospheric field has a strength of about 100 N/C and it points down. a) What force would a single electron experience if placed in this field?
N Direction(up or down):

If this electron was on a dust particle with a mass of 1.0 x 10-18 kg, what would the net force (electric and gravitational)on the particle be?
N. Direction:
The earth has not only a magnetic field (which directs your compass), but an atmospheric electric field. During days of fair weather (no thunder clouds), this atmospheric field has a strength of about 100 N/C and it points down. a) What force would a single electron experience if placed in this field?
N Direction(up or down):

If this electron was on a dust particle with a mass of 1.0 x 10-18 kg, what would the net force (electric and gravitational)on the particle be?
N. Direction:

Explanation / Answer

E = 100 N/C (down) a) What force would a single electron experience if placed in this field? F = eE = 1.60*10^-19 C * 100 N/C = 1.60*10^-17 N Direction: up If this electron was on a dust particle with a mass of 1.0 x 10^-18 kg, what would the net force (electric and gravitational)on the particle be? F - mg = 1.60*10^-17 - 1.0 x 10^-18*9.80 = 6.2*10^-18 N Direction: up

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