Part A What is the electric potential energy of the group of charges in (Figure 1)? Assu that q = -6.5 nC. Express your answer with the appropriate units. ▸ View Available Hint(s) HA U= -2.5810-5 J Submit Previous Answers B Provide Feedback ? * Incorrect; Try Again; 2 attempts remaining Next

Part A What is the electric potential energy of the group of charges in (Figure 1)? Assu that q = -6.5 nC. Express your answer with the appropriate units. ▸ View Available Hint(s) HA U= -2.5810-5 J Submit Previous Answers B Provide Feedback ? * Incorrect; Try Again; 2 attempts remaining Next

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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Part A A parallel-plate capacitor is constructed from two 15 cm x capacitor plates are charged to + 20 nC, then disconnected from the battery. cm electrodes spaced 1.5 mm apart. The How much energy is stored in the capacitor? Express your answer using two significant figures. HẢ ? U = Value Units Submit Request Answer Part B Insulating handles are used to pull the capacitor plates apart until the spacing is 2.8 mm. Now how much energy is stored in the capacitor? Express your answer using two significant figures. HẢ U2 = Value Units Submit Request Answer Part C Energy must be conserved. How do you account for the difference between A and B? O Work was done to pull the plates apart. O The electric field supplied additional energy. O Kinetic energy of the charges was transformed into potential energy O The battery supplied additional energy. Submit Request Answer
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Part A A dust particle with mass of 5.9x10-2 g and a charge of 1.6x10-6 C is in a region of space where the potential is given by V(z) = (1.2V/m²)a? – (3.4V/m)a If the particle starts at 1.6 m, what is the initial acceleration of the charge? Express your answer using two significant figures. nν ΑΣφ -- |7.7. 10-4 m/s? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
A capacitor consists of two parallel plates, each with an area of 14.0 cm², separated by a distance of 0.250 cm . The material that fills the volume between the plates has a dielectric constant of 6.00. The plates of the capacitor are connected to a 400 V battery. Part A What is the capacitance of the capacitor? Express your answer in farads. VE ΑΣΦ C = Submit Part B What is the charge on either plate? Express your answer in coulombs. VE ΑΣΦ Q = Submit Part C Request Answer U = Request Answer How much energy is stored in the charged capacitor? Express your answer in joules. 17| ΑΣΦ ? ? ? F J
Charging Energy: The image below shows four identical charges, each with a charge of +2.8nC. The shortest distance between neighboring charges is a = 2.7µm. a a a How much work was required to assemble this collection of charges?
To recharge a 11 V battery, a battery charger must move 3.8 105 C of charge from the negative terminal to the positive terminal. How much work is done by the charger? Express your answer in joules. J
Many chemical reactions release energy. Suppose that at the beginning of a reaction, an electron and proton are separated by 0.125 nm, and their final separation is 0.100 nm. Part A How much electric potential energy was lost in this reaction (in units of eV)? Express your answer using two significant figures. 15] ΑΣΦΑ A PE= Submit Request Answer eV
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Two very large charged parallel metal plates are 15.0 cm apart and produce a uniform electric field of 3.40 10 N/C between them.A proton is fired perpendicular to these plates with an initial speed 5.20 km/s, starting at the middle of the negative plate and going toward the positive plate. Part A How much work has the electric field done on this proton by the time it reaches the positive plate? Express your answer with the appropriate units. W M Value Units Submit Request Answer
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Part A Two stationary positive point charges, charge 1 of magnitude 3.10 nC and charge 2 of magnitude 1.60 nC, are separated by a distance of 46.0 cm An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. > View Available Hint(s) 1 AZ中 να ΑΣφ Ufinal m/s S. Submit « Previous hp |3D
Learning Goal: To understand the relationship and differences between electric potential and electric potential energy. In this problem we will learn about the relationships between electric force F, electric field Ē, potential energy U, and electric potential V. To understand these concepts, we will first study a system with which you are already familiar: the uniform gravitational field. Part B Now find the gravitational potential energy U (z) of the object when it is at an arbitrary height z. Take zero potential to be at position z = 0. Keep in mind that the potential energy is a scalar, not a vector. Express U (2) in terms of m, z, and g. U (z) = Submit ΨΕ ΑΣΦ Request Answer ?