Asingle electron has a charge of 4.5×10−15 z . using zeets and a fictitious unit of mass called the wiggle, w, the charge-to-mass ratio of an electron is 5.4×106 z/w . what is the mass of an electron in wiggles?

The conversion factor to use in this case is:

charge / mass = 5.4 x 10^6 z / w

We are given that:

charge = 4.5 x 10^−15 z

Therefore the mass is calculated by combining the two equations:

4.5 x 10^−15 z / mass = 5.4 x 10^6 z / w

mass = 8.33 x 10^-22 w

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