Through what potential difference (in kV) must an electron (starting from rest) be accelerated if it is to achieve a speed of 7.4x10 m/s? use e=1.6x10-19 Cand m=9.11x10-31kg. Select one: OA 25.86 O B. 6.64 OC. 47.61 OD. 9.62

Through what potential difference (in kV) must an electron (starting from rest) be accelerated if it is to achieve a speed of 7.4x10 m/s? use e=1.6x10-19 Cand m=9.11x10-31kg. Select one: OA 25.86 O B. 6.64 OC. 47.61 OD. 9.62

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 76PQ: An electric potential exists in a region of space such that V = 8x4 2y2 + 9z3 and V is in units of...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Through what potential difference (in kV) must an electron (starting from rest) be accelerated if it is to achieve a speed of 7.4x10 m/s? use
e=1.6x10-19 C and m.=9.11x1031kg.
Select one:
OA. 25.86
O B. 6.64
OC. 47.61
OD. 9.62
OE 15.59

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