Problem A3: The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 1.0 x 10ª N/C. An electron is launched at a 45 ° angle from the positive plate. What is the maximum initial speed vothe electron can have without hitting the negative plate? 2.0 cm 45° +++++++++++

University Physics Volume 2
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Chapter7: Electric Potential
Section: Chapter Questions
Problem 72P: The practical limit to all electric field in air is about 3.00106 N/C. Above this strength, sparking...
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Write-up Criteria
1. Be neat and organized.
2. Include a drawing of the charge distribution and the point at which the E-field is
being evaluated.
3. Include a sample vector diagram, showing the electric-field vectors for critical
dq's.
4. Use the diagrams to help explain any cancellations due to symmetry.
5. Set up the integrals to determine the non-zero electric-field components. Show
your work/reasoning for constructing the integrals.
6. Solve the integrals. Box or underline your final solutions.
7. Assess: is your result reasonable? Do the solutions have the correct behavior far
away from the charge?
Problem A3:
The two parallel plates in the figure below are 2.0 cm apart and the electric field
strength between them is 1.0 x 104 N/C. An electron is launched at a 45 ° angle from the
positive plate. What is the maximum initial speed vothe electron can have without
hitting the negative plate?
Vo
2.0 cm
45°
+++++++++++
Transcribed Image Text:Write-up Criteria 1. Be neat and organized. 2. Include a drawing of the charge distribution and the point at which the E-field is being evaluated. 3. Include a sample vector diagram, showing the electric-field vectors for critical dq's. 4. Use the diagrams to help explain any cancellations due to symmetry. 5. Set up the integrals to determine the non-zero electric-field components. Show your work/reasoning for constructing the integrals. 6. Solve the integrals. Box or underline your final solutions. 7. Assess: is your result reasonable? Do the solutions have the correct behavior far away from the charge? Problem A3: The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 1.0 x 104 N/C. An electron is launched at a 45 ° angle from the positive plate. What is the maximum initial speed vothe electron can have without hitting the negative plate? Vo 2.0 cm 45° +++++++++++
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