Electrostatic forces are conservative. This means that mechanical energy (KE +PE) is constant or conserved in absence of other dissipative forces such as friction. If a charged particle moves from point A to point B in an electric field (assume that dissipative forces such as friction are absent), select all the statements that are true. The symbol A represents the change in the particular quantity. Recall what does positive and negative work mean? Reflect on what the negative sign represents in each case? Select multiple answers. APE=-WorkAB i.e., for positive work, PE decreases and for negative work, PE increases ΔΚΕ 7 –ΔΡΕ changes in KE and PE are not connected.

Electrostatic forces are conservative. This means that mechanical energy (KE +PE) is constant or conserved in absence of other dissipative forces such as friction. If a charged particle moves from point A to point B in an electric field (assume that dissipative forces such as friction are absent), select all the statements that are true. The symbol A represents the change in the particular quantity. Recall what does positive and negative work mean? Reflect on what the negative sign represents in each case? Select multiple answers. APE=-WorkAB i.e., for positive work, PE decreases and for negative work, PE increases ΔΚΕ 7 –ΔΡΕ changes in KE and PE are not connected.

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)...

See similar textbooks

Similar questions

P 1: An air-filled parallel plate capacitor of gap d is connected to a battery until fully charged. It is then disconnected from the battery. The original capacitance was Co, the charge was Qo and potential difference between the plates was Vo. The gap between the charged capacitor plates is doubled while the battery stays disconnected. What are the new values of the following quantities. Give your answers in terms of Co, Qo and Vo. Capacitance: Charge: Q? +Qo Co V? 2d C? d. Vo Potential difference: Before After
In (Figure 1), AV = 13 V. Figure + AV C₁ = 16 μF HH =C₂ = 40 μF =C3= 60 μF 1 of 1 Part A What is the charge on each capacitor? Enter your answers in microcoulombs separated by commas. Q₁, Q2, Q3 = Submit Part B 197| ΑΣΦ Submit Request Answer AV₁, AV₂, AV3 = Provide Feedback What is the potential difference across each capacitor in the figure? Enter your answers in volts separated by commas. 17 ΑΣΦ pas Request Answer ? By ? μC V
In an experiment you observed the attraction of a charged object to the wall. It correctly depicts the microscopic level mechanism for this observation. Identify the correct statements that apply when the object is negatively charged. PLEASE SELECT ALL THAT APPLY
A parallel plate capacitor is designed as shown in Fig.The capacitor has a cross-sectional area of A = (1,2 × 1,2) cm2, the distance between the plates d= 2 mm, where the dielectric constant k1 = 4, k2 = 6, and k3 = 2.a. Describe the capacitor combination (series, parallel) formed byall three dielectric materials.b. Calculate the total capacitance of the capacitor?c. If the capacitor is connected with a potential difference V = 5 voltsthen determine the charge and energy stored in the capacitorthe?
Problem 18.18 A small particle has charge -6.60 μC and mass 2.50x104 kg. It moves from point A, where the electric potential is V₁ = 220 V, to point B, where the electric potential V₂ = 620 V. The electric force is the only force acting on the particle. The particle has a speed of 5.00 m/s at point A. Part A What is its speed at point B? Express your answer in meters per second to three significant figures. ID] ΑΣΦ Submit Part B Is it moving faster or slower at B than at A? Faster Slower Request Answer Submit Request Answer ? m/s
A proton has an initial speed of 5.0×105 m/s. Please give a correct/clear explanation of all constants or values used to solve each part: a> What potential difference is required to bring the proton to rest? Express your answer using two significant figures. b>What potential difference is required to reduce the initial speed of the proton by a factor of 2? Express your answer using two significant figures. c>What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2? Express your answer using two significant figures.
Consider the equipotential map shown below. Estimate the magnitude of the E-field at point A. What direction is the E-field at point A? Rank the points A, B, and C in terms of their E-field strength. Sketch the electric field lines. What is the sign of the charge (+ or −) within the 30 V equipotential?
When a charged particle is released from rest, at any point between two parallel plates, as shown in the following figure: E It is correct to state that: a) If the particle is an electron it will move in the direction from A to B and its electric potential energy increases. b) If the particle is an electron it will move in the direction from B towards A and its electric potential energy does not change. c) If the particle is a proton it will move in the direction from B toward A and its electric potential energy increases. d) If the particle is a proton it will move in the direction from A to B and its electric potential energy decreases.
You decide to make another capacitor starting with two parallel conducting plates, of area A. Then you place another conductor in the middle which is a thick plate of thickness d. The top of the thick plate is a distance a from the top plate and the bottom of the thick plate is a distance b from the bottom plate. What is the capacitance of your capacitor in terms of A, a, b, d, and ε0? (Hint: an illustration is important)
A parallel-plate capacitor is filled with a dielectric whose dielectric constant is K, increasing its capacitance from C1 to KC1. A second capacitor with capacitance C2 is then connected in series with the first, reducing the net capacitance back to C1. Part A What is the capacitance C2 of the second capacitor? Express your answer in terms of K, C1, and constants. ? C2 =
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?
A parallel-plate capacitor is constructed by filling the space between two square plates with blocks of three dielectric materials, as shown above. You may assume that e>>d. Which of the following is an expression for the capacitance of the device in terms of the plate area A and d, K1, K, and K3.