College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:• C
E
• A
• B
An electric field of strength E = 5000 N/C is directed along the +x-axis as shown. A proton is initially at rest at point
А.
Proton Charge
+1.6x10-19 c
%3D
Proton Mass =
1.67 x10 27 Kg
%3D
What is the work done by the electric field on the proton after it has moved a distance of 25 cm from point A to point
B?
02.0 x 10-16 J
-2.0 x 10-16 J
02.4 x10-17 J
O-2.4 x10-17 J
Submit Answer
Tries 0/2
What is the Kinetic Energy of the proton at point B?
2.0 x 10-16 J
O-2.0 x 10-16 J
2.4 x10-17 J
O-2.4 x10-17 J
Submit Answer
Tries 0/2
What is the speed of the proton at point B?
01.7 x 105 m/s
04.9 x 105 m/s
2.5 x1011 m/s
5.8 x1011 m/s
Expert Solution

Step 1 theory
- calculate the force experienced by the proton due to the electric field.
- calculate the work done by multiplying force by distance.
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