E • A • B В

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 66PQ
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• 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
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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