(10%) Problem 2: An evacuated tube uses a potential difference of A V= 0.42 kV to accelerate electrons, which then hit a copper plate and produce X-rays. 9 8 50% Part (a) Write an expression for the non-relativistic speed of these electrons v in terms of e, AV, and m, assuming the electrons start from rest. Grad? 591111233 Deductions 0% Potential 100% Submissions Attempts remaining: 6 (% per attempt) _ detailed view 1 0% 2 0%