- #1
fight_club_alum
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- 1
Homework Statement
Through what potential difference must an electron (starting from rest) be accelerated if
it is to achieve a speed of 3.0 x 10^7 m/s?
a . 5.8 kV
b. 2.6 kV
c. 7.1 kV
d. 8.6 kV
e. 5.1 kV
Homework Equations
me = 9.11 × 10−31 kg
|qe| ≡ e = 1.6 × 10−19 C
F = ma
Eq = ma
V = Eq/r
The Attempt at a Solution
I stopped at these equations and didn't know how can I use them in this case.