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Homework Statement
Through what potential difference must an electron be accelerate, starting from rest, to acquire a speed of 0.99c?
vf=0.99c(m/s), vi=0(m/s), m=9.11e-31(kg), q=1.6e-19(C)
Homework Equations
E=γmc^2=V*q
The Attempt at a Solution
I plugged in all knowns in the equation and find V(emf).
What i got is 3.63e6 eV but the answer is 3.1e6 V.
What did i do wrong in the progress??