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Q4. Two-point charges, q₁ and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q2 is: A) 4.8 x 10-BC B) 3.1 x 10 °C P 91 -0.20 C) 6.6 x 10-8C 0 92 0.20 0.40 0.60 D) 1.6 × 10-8C x(m)

Q4. Two-point charges, q₁ and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q2 is: A) 4.8 x 10-BC B) 3.1 x 10 °C P 91 -0.20 C) 6.6 x 10-8C 0 92 0.20 0.40 0.60 D) 1.6 × 10-8C x(m)

College Physics
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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The following constants can be useful: Charge of electron Mass of the electron Mass of the proton lel = 1.6 x 10-1⁹ C; m = 9.11x10 kg; m = 1.67x10-27 kg; P Acceleration due to gravity Permittivity of free space Coulomb's constant π = 3.14 Choose the best answer vi i v Q1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece of plastic have? A) 1.25 x 10¹3 B) 6.25 x 10¹2 C) 2.50 × 10¹3 D) 3.60 × 10¹⁹ E) 3.01 x 10²3 Q2. Three point charges Q1-0.9 µC; Q2=-3.0 μC and Q3= -0.9 μC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the figure along with a sketch of E-field lines representing the electric field produced by them. What can you determine from the sketch? Q4. Two-point charges, q₁ and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q2 is: A) 4.8 x 10-8C B) 3.1 x 10-C g = 9.8 m/s² &=8.85 x 10-12 c² /Nm² ke=9x10⁹ N.m²/C² A) q, is negative and q2 is positive; the magnitudes are equal. B) q, is positive and q2 is negative; the magnitude of q, is greater than the magnitude of 92. C) q, is negative and q2 is positive; the magnitude of q1 is less than the magnitude of 92. D) 91 and q₂ have the same sign; the magnitudes are equal. E) q, and q₂ have the same sign; the magnitude of q, is greater than the magnitude of 92. P 91 -0.20 0 C) 6.6 x 10-8C Р 92 0.20 0.40 0.60 D) 1.6 × 10-8C Q: a Q3 x(m)
Transcribed Image Text:The following constants can be useful: Charge of electron Mass of the electron Mass of the proton lel = 1.6 x 10-1⁹ C; m = 9.11x10 kg; m = 1.67x10-27 kg; P Acceleration due to gravity Permittivity of free space Coulomb's constant π = 3.14 Choose the best answer vi i v Q1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece of plastic have? A) 1.25 x 10¹3 B) 6.25 x 10¹2 C) 2.50 × 10¹3 D) 3.60 × 10¹⁹ E) 3.01 x 10²3 Q2. Three point charges Q1-0.9 µC; Q2=-3.0 μC and Q3= -0.9 μC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the figure along with a sketch of E-field lines representing the electric field produced by them. What can you determine from the sketch? Q4. Two-point charges, q₁ and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q2 is: A) 4.8 x 10-8C B) 3.1 x 10-C g = 9.8 m/s² &=8.85 x 10-12 c² /Nm² ke=9x10⁹ N.m²/C² A) q, is negative and q2 is positive; the magnitudes are equal. B) q, is positive and q2 is negative; the magnitude of q, is greater than the magnitude of 92. C) q, is negative and q2 is positive; the magnitude of q1 is less than the magnitude of 92. D) 91 and q₂ have the same sign; the magnitudes are equal. E) q, and q₂ have the same sign; the magnitude of q, is greater than the magnitude of 92. P 91 -0.20 0 C) 6.6 x 10-8C Р 92 0.20 0.40 0.60 D) 1.6 × 10-8C Q: a Q3 x(m)
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