help utcnalassigment aspx Electric Energy&Potential; Begin Date: 1023/2017 12:00

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utcnalassigment aspx Electric Energy&Potential; Begin Date: 1023/2017 12:00:00 AM DueDate: 10302011:900 PM End Date: 12/15201 12:0.00 AM (12%) Problern l : An evacuated tube uses a potential difference of V-0.46 kyo accelerate rlednons, which then 'ni augper plate and produce X-rays. 50% part (a) Write an expression for the non-relativistic speed of these electrons v in terms of e, av, and m, assuming rhe electrons start "g from resi Grade Summary Poteetial 78 9 4 5 6 (0% per atempt, letailed view Hints: as, dediction per hir. Hiras "maining. -a 50% Part (1) Calculee the man-relativistic speed of these electrons v in ms 11.55 2 alt

Explanation / Answer

a) change in kinetic energy = 1/2 m v2

e * delta v = 1/2 m v2

v = sqrt [2 * e * delta v / m]

b) v = sqrt [2 * 1.6 * 10-19 * 0.46 * 103 / 9.11 * 10-31]

v = sqrt [1.615 * 1014]

v = 1.27 * 107 m/s

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