these are two separate questions. A small 2.05 g plastic ball that has a charge q = 1.95 C issuspended by a string that has a length L = 1.00 m in auniform electric field, as shown in the figure.%3DIf 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 thepositive x-axis, which is along the axis of a cathode-ray tube,as shown in the figure. There is an electric fieldE = 19.0 × 10ª N/C pointed in the positive y-directionbetween the deflection plates, which are 0.0600 m long andare separated by 0.0200 m.Determine the minimum kinetic energy Kmin the electron canhave and still avoid colliding with one of the plates.

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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 =

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Electric Fields

Section: Chapter Questions

Problem 34AP: A charged cork ball of mass m is suspended on a light string in the presence of a uniform electric...

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