University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 44, Problem 44.4DQ
The gravitational force between two electrons is weaker than the electrical force by the order of 10−40. Yet the gravitational interactions of matter were observed and analyzed long before electrical interactions were understood. Why?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The gravitational force between two electrons is weaker than the electric force by the order of 10-40. Yet the gravitational interactions of matter were observed and analyzed long before electrical interactions were understood. Why?
Two electrons in an atom are separated by 1.6 × 10^−10 m, the typical size of an atom. What is the force between them? The Coulomb constant is 9 × 10^9 N · m^2/C^2 . Answer in units of N.
In what way or ways would the physical universe be different if protons were negatively charged and electrons were
positively charged?
Gravity would be a repulsive force instead of an attractive one.
Since protons are more massive, the universe would acquire a net negative charge.
The value of the Coulomb constant k would change.
Like charges would attract, and opposite charges would repel.
Atoms would consist of protons orbiting a nucleus composed of electrons and neutrons.
There would be no difference other than the sign on the charged particles.
Chapter 44 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 44.1 - Each of the following particles can be exchanged...Ch. 44.2 - Prob. 44.2TYUCh. 44.3 - From conservation of energy, a particle of mass m...Ch. 44.4 - Prob. 44.4TYUCh. 44.5 - Prob. 44.5TYUCh. 44.6 - Is it accurate to say that your body is made of...Ch. 44.7 - Prob. 44.7TYUCh. 44 - Prob. 44.1DQCh. 44 - Prob. 44.2DQCh. 44 - When they were first discovered during the 1930s...
Ch. 44 - The gravitational force between two electrons is...Ch. 44 - Prob. 44.5DQCh. 44 - Prob. 44.6DQCh. 44 - Prob. 44.7DQCh. 44 - Prob. 44.8DQCh. 44 - Prob. 44.9DQCh. 44 - Does the universe have a center? Explain.Ch. 44 - Prob. 44.11DQCh. 44 - Prob. 44.12DQCh. 44 - Prob. 44.13DQCh. 44 - Prob. 44.1ECh. 44 - Prob. 44.2ECh. 44 - Prob. 44.3ECh. 44 - Prob. 44.4ECh. 44 - Prob. 44.5ECh. 44 - Prob. 44.6ECh. 44 - Prob. 44.7ECh. 44 - An electron with a total energy of 30.0 GeV...Ch. 44 - Deuterons in a cyclotron travel in a circle with...Ch. 44 - The magnetic field in a cyclotron that accelerates...Ch. 44 - Prob. 44.11ECh. 44 - Prob. 44.12ECh. 44 - Prob. 44.13ECh. 44 - Prob. 44.14ECh. 44 - Prob. 44.15ECh. 44 - Prob. 44.16ECh. 44 - Prob. 44.17ECh. 44 - Prob. 44.18ECh. 44 - What is the mass (in kg) of the Z0? What is the...Ch. 44 - Prob. 44.20ECh. 44 - Prob. 44.21ECh. 44 - Prob. 44.22ECh. 44 - Prob. 44.23ECh. 44 - Prob. 44.24ECh. 44 - Prob. 44.25ECh. 44 - Prob. 44.26ECh. 44 - Prob. 44.27ECh. 44 - Prob. 44.28ECh. 44 - Prob. 44.29ECh. 44 - Prob. 44.30ECh. 44 - Prob. 44.31ECh. 44 - Prob. 44.32ECh. 44 - Prob. 44.33ECh. 44 - Prob. 44.34ECh. 44 - Prob. 44.35ECh. 44 - Prob. 44.36ECh. 44 - Prob. 44.37ECh. 44 - Prob. 44.38ECh. 44 - Prob. 44.39PCh. 44 - Prob. 44.40PCh. 44 - Prob. 44.41PCh. 44 - Prob. 44.42PCh. 44 - Prob. 44.43PCh. 44 - Prob. 44.44PCh. 44 - Prob. 44.45PCh. 44 - Prob. 44.46PCh. 44 - Prob. 44.47PCh. 44 - Prob. 44.48PCh. 44 - Prob. 44.49PCh. 44 - Prob. 44.50PCh. 44 - Prob. 44.51PCh. 44 - The K0 meson has rest energy 497.7 MeV. A K0 meson...Ch. 44 - DATA While tuning up a medical cyclotron for use...Ch. 44 - Prob. 44.54PCh. 44 - Prob. 44.55PCh. 44 - Consider a collision in which a stationary...Ch. 44 - Prob. 44.57PPCh. 44 - Prob. 44.58PPCh. 44 - Prob. 44.59PP
Additional Science Textbook Solutions
Find more solutions based on key concepts
16. A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz. At , the mass is at and ...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
6. A particle starts from x0 = 10 m at t = 0 s and moves with the velocity graph shown in FIGURE EX2.6.
a. Do...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Q15.7 Is it possible to have a longitudinal wave on a stretched string? Why or why not? Is it possible to have ...
University Physics (14th Edition)
Release the ball so that it rolls straight toward the ramp (motion 1). Observe the motion of the ball. Sketch t...
Tutorials in Introductory Physics
Choose the best answer to each of the following. Explain your reasoning. Observations indicate that galaxies wi...
Cosmic Perspective Fundamentals
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Two 25.0-g copper spheres are placed 75.0 cm apart. Each copper atom has 29 electrons, and the molar mass of copper is 63.5463 g/mol. What fraction of the electrons from the first sphere must be transferred to the second sphere for the net electrostatic force between the spheres to equal 100 kN?arrow_forwardWhat is the repulsive electrical force between two protons 5.0x10^-15 m apart from each other in an atomic nucleus ?arrow_forwardAn α particle located in the molecules of a helium atom was observed to have mass 6.11*10^-27kg and 2eV. Calculate the force of electric repulsion or attraction between the α particles and compare them with gravitational force of attraction between themarrow_forward
- In the Rutherford model of the hydrogen atom, a proton (mass M, charge Q) is the nucleus and an electron (mass m, charge q) moves around the proton in a circle of radius r. Let k denote the Coulomb force constant (1/4TTE0) and G the universal gravitational constant. The ratio of the electrostatic force to the gravitational force between electron and proton is: O kMm/GQq O kQq/GMm O GQq/kMm O GMm/kQq O kQq/GMmr²arrow_forwardSuppose you have a map of equipotential surfaces spaced 1.0 V apart. Which of the following statements about the electric field is correct (select all that apply)? O The electric field is tangent to both of the equipotential surfaces O The electric field has the magnitude 1.0 V/m at each point on each of the equipotential surfaces O At each point on each of the equipotential surfaces, the electric field points in a direction that is orthogonal to the equipotential surface O The electric field is stronger wherever the equipotential surfaces are spatially closer togetherarrow_forwardSuppose that all the electrons are removed from a copper coin, whose mass is 2.7 g, and they are placed at 2 meters from the remaining copper nucleus. What is the magnitude of the electrical attractive force on electrons? In each copper atom there are 29 electrons. 9 mol' (Consider: M = 55,8- NA = = 6,022x1023 atoms molarrow_forward
- Two identically charged particles separated by 5 cm repel each other with a force of 80 mN. Determine the repulsive force if the separation distance changes to 20 cm.arrow_forwardTwo protons (p) and two electrons (e) are arranged on a circle of radius r = 3 [cm], with angles 0₁ = 20°, 0₂ = 30°, 03 = 20° and 04 = 60°, as shown in the figure. ( qp = +1.6 x 10-1⁹ [C] and qe = -1.6 x 10-19 [C]). The figure is not to scale. 03 04 02 a. Find Ener, the net electric field vector produced at the center of the circle. Ēnet = ( ])i + ( ]) Ĵ [N/C] b. [€ ] Where on the circle should a fifth point charge qo be placed (give its angle relative the +x-axis) and what is its value (calculate qo) in order to have Ēner (the net electric field at the center of the circle) equals zero (Type the detailed solution to this question in the below box, Show all your calculation steps by typing in the box). Xarrow_forwardHow many excess electrons are required for an object to carry a charge of 1pC(10^-12C).arrow_forward
- Considering electron and proton as two charged particles separated by d = 4.5 x 10m calculate the gravitational force between the proton and electron and find its ratio to the Coulomb force. Take the mass of the proton 1.7 x 10-27 kg, the mass of the electron 9.1 x 10-³1 kg, the value of 1 the universal gravitational constant 6.7 × 10-¹1 N kg-2m-2, the electron charge -1.6 × 10- C and = 9 x 10⁹ m/F. Give the answer for Απερ the gravitational force in 10-47 N. 19arrow_forwardThe foot of your average gecko is covered with billions of tinyhair tips—called spatulae—that are made of keratin, the proteinfound in human hair. A subtle shift of the electron distribution inboth the spatulae and the wall to which a gecko clings producesan adhesive force by means of the van der Waals interaction between molecules. Suppose a gecko uses its spatulae to cling to a vertical windowpane. If you were to describe this situation in terms ofa coefficient of static friction, ms, what value would you assign toms? Is this a sensible way to model the gecko’s feat? Explain.arrow_forwardConsider the two charges in the figure, which are moving in opposite directions and located a distance 11 cm on either side of the origin of the given coordinate system. Charge one is 19.5 uC and is moving at a speed 19.5 x U2 10° m/s, and charge two is -8.5 µC and is moving at a speed of 6.5 x 106 m/s. Notice that the positive z-direction in this figure is directed out of the page. 92 d What is the total magnetic field, in the z-direction, at a point Q located a distance 45 cm down the x-axis, as shown? d 91arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY