Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 19, Problem 44PCE
An object with a charge of −2.1 μC and a mass of 0.0044 kg experiences an upward electric force due to a uniform electric field, equal in magnitude to its weight. (a) Find the direction and magnitude of the electric field. (b) If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration.
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule04:55
Students have asked these similar questions
An object with a charge of -2.6 μC and a mass of 1.1×10−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight.
A. Find the magnitude of the electric field.
B. Find the direction of the electric field.
C. If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration.
D. If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration.
A point charge of 9.68x10^-6 C and a mass of 3.94x10^-6 kg is initially at rest while a constant electric field with a magnitude of 927 N/C. What's the magnitude of the acceleration of the point charge assuming that only the electric field force acts on it?
An object of mass 1.0×1010kg and charge +0.86C is separated by a distance of 10,000m from another object of mass 1.0×1010kg and charge +0.86C. Which of the following claims is correct about the electric force and the gravitational force exerted on one object from the other object?
a
The gravitational force is attractive, and the electric force is repulsive. The electric force has nearly the same magnitude as the gravitational force.
b
The gravitational force is attractive, and the electric force is repulsive. The electric force is significantly greater in magnitude than the gravitational force.
c
The gravitational force is attractive, and the electric force is repulsive. The electric force is significantly smaller in magnitude than the gravitational force.
d
There are no differences between the two forces.
Chapter 19 Solutions
Physics (5th Edition)
Ch. 19.1 - Enhance Your Understanding (Answers given at the...Ch. 19.2 - Enhance Your Understanding (Answers given at the...Ch. 19.3 - Positive and negative charges of equal magnitude...Ch. 19.4 - Enhance Your Understanding (Answers given at the...Ch. 19.5 - The electric field lines for a system of two...Ch. 19.6 - Two conducting spheres of different radii are...Ch. 19.7 - Four Gaussian surfaces (A, B, C, D) are shown in...Ch. 19 - The fact that the electron has a negative charge...Ch. 19 - Explain why a comb that has been rubbed through...Ch. 19 - Small bits of paper are attracted to an...
Ch. 19 - A charged rod is brought near a suspended object,...Ch. 19 - A charged rod is brought near a suspended object,...Ch. 19 - A point charge +Q is fixed at a height H above the...Ch. 19 - A proton moves in a region of constant electric...Ch. 19 - Describe some of the differences between charging...Ch. 19 - A system consists of two charges of equal...Ch. 19 - The force experienced by charge 1 at point A is...Ch. 19 - Can an electric field exist in a vacuum? Explain.Ch. 19 - Gausss law can tell us how much charge is...Ch. 19 - Predict/Explain An electrically neutral object is...Ch. 19 - (a) Based on the materials listed in Table 19-1,...Ch. 19 - This problem refers to the information given in...Ch. 19 - Find the net charge of a system consisting of (a)...Ch. 19 - Find the total electric charge of 2.5 kg of (a)...Ch. 19 - A container holds a gas consisting of 2.85 moles...Ch. 19 - The Charge on Adhesive Tape When adhesive tape is...Ch. 19 - Four pairs of conducting spheres, all with the...Ch. 19 - A system of 1525 particles, each of which is...Ch. 19 - A charge +q and a charge q are placed at opposite...Ch. 19 - Consider the three electric charges, A, B, and C,...Ch. 19 - Predict/Explain Suppose the charged sphere in...Ch. 19 - At what separation is the electrostatic force...Ch. 19 - How much equal charge should be placed on the...Ch. 19 - Predict/Calculate Two point charges, the first...Ch. 19 - When two identical ions are separated by a...Ch. 19 - Given that q = +18 C and d = 21 cm, find the...Ch. 19 - Five point charges, q1 = +q, q2 = +2q q3 = 3q, q4...Ch. 19 - Three charges, q1 = +q, q2 = q, and q3 = +q, are...Ch. 19 - The attractive electrostatic force between the...Ch. 19 - Prob. 21PCECh. 19 - A sphere of radius 4.22 cm and uniform surface...Ch. 19 - Predict/Calculate Given that q = +12 C and d = 19...Ch. 19 - Suppose the charge q2 in Figure 19-38 can be moved...Ch. 19 - A point charge q = 0.55 nC is fixed at the origin....Ch. 19 - A point charge q = 0.55 nC is fixed at the origin....Ch. 19 - Find the direction and magnitude of the net...Ch. 19 - Predict/Calculate (a) Find the direction and...Ch. 19 - Predict/Calculate Two point charges lie on the x...Ch. 19 - A system consists of two positive point charges,...Ch. 19 - Predict/Calculate The point charges in Figure...Ch. 19 - Referring to the previous problem, suppose that...Ch. 19 - Predict/Calculate (a) If the nucleus in Example...Ch. 19 - Four point charges are located at the corners of a...Ch. 19 - Predict/Calculate Two identical point charges in...Ch. 19 - Two spheres with uniform surface charge density,...Ch. 19 - Point charges, q1 and q2 are placed on the x axis,...Ch. 19 - Two electric charges are separated by a finite...Ch. 19 - What is the magnitude of the electric field...Ch. 19 - A +5.0-C charge experiences a 0.64-N force in the...Ch. 19 - Two point charges lie on the x axis. A charge of...Ch. 19 - Two point charges lie on the x axis. A charge of...Ch. 19 - The electric field on the dashed line in Figure...Ch. 19 - An object with a charge of 2.1 C and a mass of...Ch. 19 - Predict/Calculate Figure 19-42 shows a system...Ch. 19 - Two point charges of equal magnitude are 8.3 cm...Ch. 19 - Predict/Calculate A point charge q = +4.7 C is...Ch. 19 - Predict/Calculate Four point charges, each of...Ch. 19 - The electric field at the point x = 5.00 cm and y...Ch. 19 - Predict/Calculate The electric field lines...Ch. 19 - Referring to Figure 19-43, suppose q2 is not...Ch. 19 - The electric field lines surrounding three charges...Ch. 19 - Make a qualitative sketch of the electric field...Ch. 19 - Sketch the electric field lines for the system of...Ch. 19 - Sketch the electric field lines for the system of...Ch. 19 - Suppose the magnitude of the electric field...Ch. 19 - Predict/Explain Gaussian surface 1 has twice the...Ch. 19 - Suppose the conducting shell in Figure 19-33which...Ch. 19 - Rank the Gaussian surfaces shown in Figure 19-45...Ch. 19 - A uniform electric field of magnitude 35,000 N/C...Ch. 19 - Prob. 61PCECh. 19 - A surface encloses the charges q1 = 3.2 C, q2 =...Ch. 19 - BIO Nerve Cells Nerve cells are long, thin...Ch. 19 - The electric flux through each of the six sides of...Ch. 19 - Consider a spherical Gaussian surface and three...Ch. 19 - The surface charge per area on the outside of a...Ch. 19 - Photovoltaic Field Suppose the field in the...Ch. 19 - A thin wire of infinite extent has a charge per...Ch. 19 - CE Predict/Explain An electron and a proton are...Ch. 19 - CE Predict/Explain In Conceptual Example 19-9,...Ch. 19 - CE Under normal conditions, the electric field at...Ch. 19 - A proton is released from rest in a uniform...Ch. 19 - BIO Ventricular Fibrillation If a charge of 0.30 C...Ch. 19 - A point charge at the origin of a coordinate...Ch. 19 - Prob. 76GPCh. 19 - The Balloon and Your Hair Suppose 7.5 1010...Ch. 19 - The Balloon and the Wall When a charged balloon...Ch. 19 - CE Four lightweight, plastic spheres, labeled A,...Ch. 19 - Find (a) the direction and (b) the magnitude of...Ch. 19 - A small object of mass 0.0150 kg and charge 3.1 C...Ch. 19 - The electric field at a radial distance of 47.7 cm...Ch. 19 - Predict/Calculate Three charges are placed at the...Ch. 19 - Predict/Calculate BIO Cell Membranes The cell...Ch. 19 - A square with sides of length L has a point charge...Ch. 19 - Two small plastic balls hang from threads of...Ch. 19 - A small sphere with a charge of +2.44 C is...Ch. 19 - Twelve identical point charges q are equally...Ch. 19 - BIO Nerve Impulses When a nerve impulse propagates...Ch. 19 - Predict/Calculate The Electric Field of the Earth...Ch. 19 - An object of mass m = 2.5 g and charge Q = +42C is...Ch. 19 - Four identical charges, +Q occupy the corners of a...Ch. 19 - Two charges, +q and q, occupy two corners of an...Ch. 19 - Figure 19-52 shows an electron entering a...Ch. 19 - Two identical conducting spheres are separated by...Ch. 19 - Have you ever pulled clothes from a dryer only to...Ch. 19 - Have you ever pulled clothes from a dryer only to...Ch. 19 - The force required to detach a grain of pollen...Ch. 19 - Pollen of the lisianthus plant requires a force 10...Ch. 19 - Predict/Calculate Referring to Example 19-14...Ch. 19 - Predict/Calculate Referring to Example 19-14 In...Ch. 19 - Predict/Calculate Referring to Example 19-16 The...Ch. 19 - Referring to Example 19-16 Suppose the magnitude...
Additional Science Textbook Solutions
Find more solutions based on key concepts
26. The earth’s radius is about 4000 miles. Kampala, the capital of Uganda, and Singapore are both nearly on t...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
1. In uniform circular motion, which of the following are constant: speed, velocity, angular velocity, centripe...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
Besides the idea that you cannot reach the speed of light, what other consequences follow from the absoluteness...
Life in the Universe (4th Edition)
Student A runs down the hallway of the school at a speed of vo=5.00 m/s, carrying a ringing 1024.00-Hz tuning f...
University Physics Volume 1
11. (II) What is the linear speed, due to the Earth's rotation, of a point (a) on the equator, (b) on the Arcti...
Physics: Principles with Applications
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 metal spheres of identical mass m = 4.00 g are suspended by light strings 0.500 m in length. The left-hand sphere carries a charge of 0.800 C, and the right-hand sphere carries a charge of 1.50 C. What is the equilibrium separation between the centers of the two spheres?arrow_forwardA very small ball has a mass of 5.00 103 kg and a charge of 4.00 C. What magnitude electric field directed upward will balance the weight of the ball so that the ball is suspended motionless above the ground? (a) 8.21 102 N/C (b) 1.22 104 N/C (c) 2.00 102 N/C (d) 5.11 106 N/C (e) 3.72 103 N/Carrow_forwardWhat is the magnitude and direction of the electric force on a –3.0 µC charge at a point where the electric field is 2800 N/C and is directed along the +y axis. A. 0.018 N, –y direction B. 0.0084 N, –y direction C. 0.012 N, +y direction D. 0.0056 N, +y directionarrow_forward
- A charge of +8.35mC is placed in a region where an electric field is present. If the magnitude of the electric field is 869.8 N/C, what is the magnitude of the electric force on this charge in units of Newtons?arrow_forwardA positive charge of 5µC is travelling horizontally with an acceleration of 8.79x1016 m⁄s2 in an electric field of 50,000 ?/? directed North. How heavy should the mass of the charge have to remain suspended in the air? Group of answer choices 2.84x10^-18 Kg 2.48x10^18 Kg 2.48x10^-18 Kg 2.84x10^18 Kgarrow_forwardThe electric field is zero everywhere except in the region 0≤x≤4.00 cm, where there is a uniform electric field of 110 N/C in the +y direction. A proton is moving in the +x direction with a speed of v = 1.00×10^6 m/s. When the proton passes through the region 0≤x≤4.00 cm, the electric field exerts a force on it. 1)When the x coordinate of the proton’s position is 4.00 cm, what is the x component of its velocity? (Express your answer to three significant figures.) 2)When the x coordinate of the proton’s position is 4.00 cm, what is the y component of its velocity?(Express your answer to three significant figures.) 3)When the x coordinate of its position equals 10.0 cm, what is the y component of its velocity? (Express your answer to three significant figures.)arrow_forward
- Why is the following situation impossible? Two identical dust particles of mass 1μg are floating in empty space, far from any external sources of large gravitational or electric fields, and at rest with respect to each other. Both particles carry electric charges that are identical in magnitude and sign. The gravitational and electric forces between the particles happen to have the same magnitude, so each particle experiences zero net force and the distance between the particles remains constant.arrow_forwardConsider the symmetrically arranged charges in the figure, in which Qa=Qb=−1.95 μC and Qc=Qd=+1.95 μC. Determine the direction of the electric field at the location of charge q . Calculate the magnitude of the electric field E at the location of q given that the square is 6.75 cm on a side.arrow_forwardA proton initially moves left to right long the x axis at a speed of 9,070 m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.7 m before coming to rest. If the proton's mass and charge are 1.67 × 10−27 kg and 1.60 × 10−19 C respectively, what is the magnitude of the electric field?arrow_forward
- The electric field is zero everywhere except in the region 0≤x≤4.00 cm, where there is a uniform electric field of 110 N/C in the +y direction. A proton is moving in the +x direction with a speed of v = 1.00×10^6 m/s. When the proton passes through the region 0≤x≤4.00 cm, the electric field exerts a force on it. 1)When the x coordinate of the proton’s position is 4.00 cm, what is the y component of its velocity?(Express your answer to three significant figures.)arrow_forwardTwo point charges attract each other with an electric force of magnitude (F). If the charge on one of the particles (Q) is increased to (2Q) and the distance between the particles (d) is reduced to (d/2), what is the resulting magnitude of the electric force between them?arrow_forwardThree charges are placed in a line. Charge A is at x = -0.0500 m, Charge B is at the origin, and Charge C is at x = 0.0800 m. Based on the charges given below, what is the magnitude of the net force on Charge B in newtons?Qa = 4.00×10−54.00×10-5 C, Qb = 3.00×10−53.00×10-5 C, Qc = −3.00×10−5-3.00×10-5 Carrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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