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An electron with a charge of -1.6 × 10-19 coulombs experiences a field of 1.4 × 105 newtons/coulomb. What is the magnitude of the electric force on this electron due to this field?

A 1.6 × 10-3 newtons
B 1.4 × 1024 newtons
C 2.2 × 10-14newtons
D 7.4 × 10-13newtons
E 4.5 × 1014 newtons

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AL2006
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          (1.4 x 10⁵ newton/coulomb) x (-1.6 x 10⁻¹⁹ coulomb)

     =    (1.4 x 10⁵  x  -1.6 x 10⁻¹⁹)  newton-coulomb/coulomb

     =    - (1.4 x 1.6) x 10⁵⁻¹⁹  newton

     =          - 2.24 x 10⁻¹⁴  newton

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