12. Say you have two protons which are Im apart. The mass of a proton is, m_e = 9.31 * 10^-31 kg and charge is, q_e= - 1.6 * 10^-19 C. Newton's constant, G_N=6.67 * 10^-11 N m^2 kg^-2 and Coulomb constant, k = 8.987 * 10^9 Nm^2 C^-2. Compare and comment on the strength of gravitational and electrostatic interactions by calculating the ratio: Gravitational force between two electrons / Electrostatic force between two electrons in vacuum.

12. Say you have two protons which are Im apart. The mass of a proton is, m_e = 9.31 * 10^-31 kg and charge is, q_e= - 1.6 * 10^-19 C. Newton's constant, G_N=6.67 * 10^-11 N m^2 kg^-2 and Coulomb constant, k = 8.987 * 10^9 Nm^2 C^-2. Compare and comment on the strength of gravitational and electrostatic interactions by calculating the ratio: Gravitational force between two electrons / Electrostatic force between two electrons in vacuum.

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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Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N - m/c. Vacuum permitivity, 60 = 8.854 x 10-12 F/m. Magnitude of the Charge of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, m. = 9.10938356 x 10-31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb. Suppose you have g = 17 µC charge placed at the orign of your coordinate system. a) Using Gauss's law, find the electric field at distance ri = 9 m from the charge. b) Now you place a hollow conducting sphere of inner radius a = 4.5 m and outer radius b = 18.0m. Calculate the net enclosed charge by the Gaussian surface of radius r1. b.
Use the following constants if necessary. Coulomb constant, k of the Charge of one electron, e symbol carries their usual meaning. For example, µC means micro coulomb . -8.987 x 10° N . m? /C?. Vacuum permitivity, eg = 8.854 x 10 12 F/m. Magnitude 9.10938356 x 10 31 kg. Unless specified otherwise, each 1.60217662 x 10-19 C. Mass of one electron, m. R Suppose you have 5 point charges q to gs distributed along a semi-circie maintaining equal distance. The charge gs is at the center of the circle. The radius of the semi-circle is R = 28 cm and the magnitude of the charges are as follows : 9 24 µC, 92 = q4 29 µC and qs = q 27 µC. f) Calculate the coulomb force on go due to qa in unit vector notation and call it F46- z component of the force Give your answer to at least three significance digits. N y component of the force Give your answer to at least three significance digits. N g) Calculate the Net Electric force on g6 due to all other charges. z component of the force Give your answer to…
7 What is the charge magnitude, Q if it lacks 5 electrons?A. 5.0 x10^-19 cB. 6.0 x10^-19 CC. 10.0 x10^-19 CD. 8.0 x10^-19 c
3. A 8µC and 4µC is 45cm apart. What is the force between the two charges? 4. An identical charge that is 125cm apart produce an attractive force of 16N. What is the magnitude of the charges?
Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N - m² /C2. Vacuum permitivity, eo = 8.854 x 10 12 F/m. Magnitude of the Charge of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, m. = 9.10938356 x 10-31 kg. Unless specified otherwise, each symbol caries their usual meaning. For example, µC means micro coulomb. Suppose you have q= 20 µC charge placed at the orign of your coordinate system. a) Using Gauss's law, find the electric field at distance r = 1 m from the charge. Magnitude of the electric field Give your answer up to at least three significance digits. N/C
2. Two charged spheres with charges 3uC and -5 µC are separated by a distance of 4cm a. Is the Electrostatic force repulsive or attractive? Explain b. Determine the electrostatic force using the Coulomb's Law equation Coulomb's Electrostatic Force Calculator. Step 1: List all the measurements given: Q,= µC ,Q;= puC , d= cm, k=9.0x 10'Nm/C Step 2 Substitute : Fa (9.0x 10°NM/C2 )( µC)( µC) 7 ( cm)? elect Step 3: Use Coulomb's Electrostatic Force Calculator To get the final answer F. %3D elect
3. A small sphere A carries a charge of 120 mC. Calculate the electrostatic force which it exerts on a second small sphere B that carries a charge of 300 mC if the distance between them is 30.0 m.
25. Two copper balls, each weighing 10 g, are kept in air 10 cm apart. If one electron from every 106 atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5) (a) 2.0x 10¹0 N (c) 2.0 × 108 N (b) 2.0 x 104 N (d) 2.0 × 106 N
13. Say you have two protons which are 1m apart. The mass of a proton is, m_p = 1.67 * 10^-27 kg and charge is, q_p = 1.6 * 10^-19 C. Newton's constant, G_N = 6.67 * 10^-11 N m^2 kg^-2 and Coulomb constant, k = 8.987 * 10^9 N m^2 СЛ-2. Calculate this ratio: Gravitational force between the protons / Electrostatic force between the protons. What can you conclude from this?
Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum permitivity, €o = 8.854 × 10-12 F/m. Magnitude of the Charge of one electron, e = -1.60217662 × 10¬19 C. Mass of one electron, mẹ = 9.10938356 × 10 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb . -31 P R
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