4- A charged ball of mass (1.5 g) is suspended on a light string in the presence of a uniformexternal electric field, as shown in figure. At equilibrium the angle of the string with thevertical (0 = 35°) and the tension in the string is (0.004 N). If the charge of the ball equals(5 µC), find the magnitude and direction of the electric field intensity.(Ans. E=2330 N/C with angle 78.7° with x-axis)///E Question 5Two particles, with charges of 20 nC and -20 nC, are placed at the points withcoordinates (0, 4 cm) and (0, -4 cm) as shown in Figure 4. A particle with charge 10 nC islocated at the origin.(a). Find the electric potential energy of the configuration of the three fixed charges.(b). A fourth particle, with a mass of 2 x 10-13 kg and a charge of 40 nC, is released fromrest at the point (3 cm, 0). Find its speed after it has moved freely to a very largedistance away.20.0 nC4.00 cm10.0 nC3.00 cm40.0 nC4.00 cm-20.0 nCFigure 4.

Given: Mass (m) = 1.5 g; Angle = 35o Tension (T) = 0.004 N Charge (q) = 5 μC = 5 x 10-6 C

4- A charged ball of mass (1.5 g) is suspended on a light string in the presence of a uniform external electric field, as shown in figure. At equilibrium the angle of the string with the vertical (0 = 35°) and the tension in the string is (0.004 N). If the charge of the ball equals (5 µC), find the magnitude and direction of the electric field intensity. %3D (Ans. E=2330 N/C with angle 78.7° with x-axis)

4- A charged ball of mass (1.5 g) is suspended on a light string in the presence of a uniform external electric field, as shown in figure. At equilibrium the angle of the string with the vertical (0 = 35°) and the tension in the string is (0.004 N). If the charge of the ball equals (5 µC), find the magnitude and direction of the electric field intensity. %3D (Ans. E=2330 N/C with angle 78.7° with x-axis)

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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