A small 2.05 g plastic ball that has a charge q = 1.95 C is suspended by a string that has a length L = 1.00 m in a uniform electric field, as shown in the figure. If the ball is in equilibrium when the string makes a 0 = 9.80° angle with the vertical, what is the electric field strength E? N/C E =
A small 2.05 g plastic ball that has a charge q = 1.95 C is suspended by a string that has a length L = 1.00 m in a uniform electric field, as shown in the figure. If the ball is in equilibrium when the string makes a 0 = 9.80° angle with the vertical, what is the electric field strength E? N/C E =
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 67P: A small, 2.00-g plastic ball is suspended by a 20.0-cm-long string in a uniform electric field as...
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these are two separate questions.
![A small 2.05 g plastic ball that has a charge q = 1.95 C is
suspended by a string that has a length L = 1.00 m in a
uniform electric field, as shown in the figure.
%3D
If the ball is in equilibrium when the string makes a 0 = 9.80°
angle with the vertical, what is the electric field strength E?
E =
N/C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa99fa5db-7b9d-4653-849d-83dec1b69292%2F162e4059-6aa9-470d-8b94-3a7f38fce61d%2Fodohhbt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A small 2.05 g plastic ball that has a charge q = 1.95 C is
suspended by a string that has a length L = 1.00 m in a
uniform electric field, as shown in the figure.
%3D
If the ball is in equilibrium when the string makes a 0 = 9.80°
angle with the vertical, what is the electric field strength E?
E =
N/C
![An electron with kinetic energy K is traveling along the
positive x-axis, which is along the axis of a cathode-ray tube,
as shown in the figure. There is an electric field
E = 19.0 × 10ª N/C pointed in the positive y-direction
between the deflection plates, which are 0.0600 m long and
are separated by 0.0200 m.
Determine the minimum kinetic energy Kmin the electron can
have and still avoid colliding with one of the plates.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa99fa5db-7b9d-4653-849d-83dec1b69292%2F162e4059-6aa9-470d-8b94-3a7f38fce61d%2Fju6tq7c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An electron with kinetic energy K is traveling along the
positive x-axis, which is along the axis of a cathode-ray tube,
as shown in the figure. There is an electric field
E = 19.0 × 10ª N/C pointed in the positive y-direction
between the deflection plates, which are 0.0600 m long and
are separated by 0.0200 m.
Determine the minimum kinetic energy Kmin the electron can
have and still avoid colliding with one of the plates.
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