An electron with kinetic energy 4.55x10J. What is the magnitude of the electric field required to stop the electron with a distance of 20 cm. 7C. 14.2 N/C. Đ. 28.4 N/C. A. 56.9 N/C. B. 19.0 N/C. A charged conducting sphere with charge a and radius R The electric field versus distance from

An electron with kinetic energy 4.55x10J. What is the magnitude of the electric field required to stop the electron with a distance of 20 cm. 7C. 14.2 N/C. Đ. 28.4 N/C. A. 56.9 N/C. B. 19.0 N/C. A charged conducting sphere with charge a and radius R The electric field versus distance from

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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Two large plates, one negatively charged and one positively charged is separated by a distance r. Bothe of the plates hold 37 mC excess charge. Each plane has an area of 100m^2. What is the magnitude of the electric field outside the planes? a. 1.87 x 10^-7 N/C b. 4.18 x 10^7 N/C c. 2.38 x 10^-4 d. 0 N/C
A charge of + 20 nC is distributed uniformly along the circumference of a circle with a radius of 15 cm. How much external energy is required to bring a charge of + 50 mC from infinity to the center of the circle? A. 1.2 J B. 60 J C. 40 J D. 600 J E. 400 J
13. A charge q = 5 µC is located at the coordinates (0, 4 cm) as shown below. What is the magnitude of electric field at point P, located at (3 cm, 0) due to q? A. 1.8×10³ N/C B. 1.8×104 N/C C. 1.8×105 N/C D. 1.8×106N/C E. 1.8×10¹ N/C 4 cm q=5μC 3 cm P
7. A proton initially moves left to right long the x axis at a speed of 4 x 10° m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.8 m before coming to rest. If the proton's mass and charge are 1.67 x 10-27 kg and 1.60 x 10-19 C respectively, what is the magnitude of the electric field? a. 1.67 N/C b. 0.01 N/C c. 0.104 N/C d. 0.13 N/C
36. What is the amount of energy stored in the 40 μF with a charged of 225 μC? A. 6.3281 x10 -6 J C. 63.281 x10 -4 J B. 63.281 x10 -5 J D. 632.81 x10 -6J
In the proton in a hydrogen atom, an electron is orbiting the proton at a radius of 0.5 × 10-10m. The proton has a charge of 1.6 × 10-19C, equal and opposite to that of the electron. a. Draw a diagram to describe the situation. b. Find the electric potential energy between the proton in a hydrogen atom and an electron orbiting the proton. c. What does the sign of electric potential energy indicate?
A 35 mg particle travelling straight towards a fixed positive point charge of 4.3X109 C. When it is 9 cm away from the fixed-point charge, it has a velocity of 30 cm/s. During motion, what happen to the acceleration? Oi. Zero acceleration. O i. It is uniformly accelerated. O i. Not constant. O iv. Negative acceleration. v. Constant.
4. Three identical metal balls A, B, and C are mounted on insulating rods. Ball A has a charge +q and balls B and C are initially uncharged (g is the usual symbol for electric charge). Ball A is touched first to ball B and then separately to ball C. At the end of this experiment, the charge on ball A is A. +g/2. B. +g/3. C. +g/4. D. none of the answers
6. Given: A 2m 0.5m C -15μC 3µC -7µC Compute for the ff; a. Net electric force on charge B b. Net electric force on charge A c. Net electric force on charge C. d. Net electric field intensity midway between charge B and C. e. Net electric potential 10 m to the left of charge A. B.
4. A particle with 4 nanoCoulomb charge produces an electric field with a magnitude of 2.0 N/C at a point. How far away is the point from the particle?
5. Two small metal cubes with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless string and are at rest on a frictionless surface. Each is charged to +2.0 μC. a. What is the energy of this system? b. What is the tension in the string? c. The string is cut. What is the speed of each cube when they are far apart?
MC4. A proton is located close to a very large plane of (uniformly-distributed) negative charge. How will the proton behave when it is released at that location? O a. The proton will move towards the plane of charge at constant speed. O b. The proton will move parallel to the plane of charge at constant speed. O c. The proton will move towards the plane of charge at constant acceleration. O d. The proton will move away from the plane of charge at constant acceleration. O e. The proton will move away from the plane of charge at constant speed.