Through what potential difference (in kV) must an electron (starting from rest) be accelerated if it is to achieve a speed of 12.4x107 m/s? use e=1.6x10-19 C and me=9.11×10- 31kg. Select one: O A. 27.00 O B. 72.62 OC. 43.77 D. 18.64 O E. 133.68

Through what potential difference (in kV) must an electron (starting from rest) be accelerated if it is to achieve a speed of 12.4x107 m/s? use e=1.6x10-19 C and me=9.11×10- 31kg. Select one: O A. 27.00 O B. 72.62 OC. 43.77 D. 18.64 O E. 133.68

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 94AP: (a) What is the final speed of an electron accelerated from rest through a voltage of 25.0 MV by a...

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Question

Through what potential difference
(in kV) must an electron (starting
from rest) be accelerated if it is to
achieve a speed of 12.4x107 m/s?
use e=1.6x10-19 C and me=9.11×10-
31kg.
Select one:
O A. 27.00
O B. 72.62
C. 43.77
D. 18.64
E. 133.68

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