An electron with a speed of 2.0 × 10^6 m/s moves into a uniform electric field of 325 N/C that is parallel to the electron's motion. How long does it take to bring the electron to rest? (me = 9.11 × 10^-31 kg, e = 1.6 × 10^-19 C)
a. 3.5 × 10^-8 s
c. 2.3 × 10^-8 s
b. 2.3 × 10^-6 s
d. 1.2 × 10^-7 s
A
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What will be an ideal response?
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