An electron with a speed of 5.00 x 10-2 cm /s enters an electric field of magnit

Question

An electron with a speed of 5.00 x 10-2 cm /s enters an electric field of magnitude 1.00 x 103 N/C, traveling along a field line in the direction thatretards its motion. (a) How far will the electron travel before stoppingmomentarily, and (b) how much time will have elasped It's problem 46 in fundamentals of physics hallyday resnick8th ed but the wrong solution is posted please help will rate the highest if I get response before 4

cm /s enters an electric field of magnitude 1.00 x 103 N/C, traveling along a field line in the direction thatretards its motion. (a) How far will the electron travel before stoppingmomentarily, and (b) how much time will have elasped It's problem 46 in fundamentals of physics hallyday resnick8th ed but the wrong solution is posted please help will rate the highest if I get response before 4

Explanation / Answer

Speed of the electron u = 5 * 10 -2 cm /s                                     = 5 * 10 -4 m / s magnitude of electric field E = 1000 N / C (a). final velocity v = 0 m / s Accleration a = Eq / m where m = mass of the electron = 9.1 * 10 -31kg            q= charge of electron = 1.6 * 10 -19 C Substitue values weget a value from the relation v 2 - u 2 = 2a S distance moved before stopped S =[v 2 -u 2]  / 2a substitue values weget answers (b). Required time t = ( v - u ) / a substitue values wegt answer

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