Problem 2: The figure at the right shows a charge, Q, near a dipole that contains unbalanced charges +e and -e. The dipole is held together by a chemical bond. Answer the following questions giving all correct answers. (Note: you will lose credit for including wrong answers). For reference, we will express magnitudes of forces as multiples of Fo= k.Qeld² and for directions we will use the labels on the compass rose below the figure. (J and K point perpendicular to the page; J out, K in.) Assume Q is positive. Give all correct answers. d/2 d/2 Q A. 1. What is the direction of the electric force that charge Q feels from the dipole? B. 2. What is the magnitude of the electric force that the charge Q feels from the +e charge in the dipole? C. 3. What is the magnitude of the electric force that the charge Q feels from the combined charges in the dipole? D. 4 What is the direction of the electric force that the dipole feels from charge Q? E. 5. If charge Q were negative, how would the electric field it feels change? d/2 +e d

Problem 2: The figure at the right shows a charge, Q, near a dipole that contains unbalanced charges +e and -e. The dipole is held together by a chemical bond. Answer the following questions giving all correct answers. (Note: you will lose credit for including wrong answers). For reference, we will express magnitudes of forces as multiples of Fo= k.Qeld² and for directions we will use the labels on the compass rose below the figure. (J and K point perpendicular to the page; J out, K in.) Assume Q is positive. Give all correct answers. d/2 d/2 Q A. 1. What is the direction of the electric force that charge Q feels from the dipole? B. 2. What is the magnitude of the electric force that the charge Q feels from the +e charge in the dipole? C. 3. What is the magnitude of the electric force that the charge Q feels from the combined charges in the dipole? D. 4 What is the direction of the electric force that the dipole feels from charge Q? E. 5. If charge Q were negative, how would the electric field it feels change? d/2 +e d

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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only number 1
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-2.0 nC | -2.0 nC 1.0 cm + 1.0 nC 2.0 nC + | 1.0 cm + 2.0 nC "L X
please type the answer clearly Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.118 N when their center-to-center separation is 57.7 cm. The spheres are then connected by a thin conducting wire. When the wire is removed, the spheres repel each other with an electrostatic force of 0.0463 N. Of the initial charges on the spheres, with a positive net charge, what was (a) the negative charge on one of them and (b) the positive charge on the other? (Assume the negative charge has a smaller magnitude.)
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Charged object A (QA) creates an electric field (E). A positively-charged test charge (qB) is used to measure the electric force (F) at various distances (d) from object A. Express your understanding of electric field strength and electric force by filling in the following table. (Note that the units on charge are fictitious units. Since the value of k is not known in these units, you will have to use your qualitative understanding to answer this question. That is, you will have to think about relationships - the effect that doubling or quadrupling or halving ... the d or the Q has upon the force and the field strength.) QA (bP) qB (bP) d (m) F (mN) E (mN/bP) a. 10.0 0.400 1.00 40.0 b. 10.0 0.800 1.00 c. 10.0 0.400 25.0 d. 20.0 0.400 1.00 200. e. 20.0 0.400 2.00 f. 20.0 0.400 0.500 g. 20.0 1.20 3.00
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only number 4
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