7.Moon dust may sometimes be levitated by the charging of dust particles by various means. What...
7.Moon dust may sometimes be levitated by the charging of dust particles by various means. What electric field is required to levitate dust with a charge of +1e, radius of 20 microns, and weight of 8.2x10^-11 N?
Homework Answers
F = qE = m g
mg = W = 8.2 * 10^-11 N
qE = 1 * 1.602 * 10^-19
1.602 * 10^-19 * E = 8.2 * 10^-11
E = 5.1186 *10^8 N/C
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7.Moon dust may sometimes be levitated by the charging of dust
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