Fred the lightning bug has a mass m and a charge +q. Jane, his lightning-bug wife, has a mass of m and a charge –2q. Because they have charges of opposite sign, they are attracted to each other. Which is attracted more to the other, and by how much? (a) Fred, twice as much. (b) Jane, twice as much. (c) Fred, four times as much. (d) Jane, four times as much. (e) They are attracted to each other by the same amount.

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