Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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Textbook Question
Chapter 25.2, Problem 25.2CE
The terms electric force, electric field, and electric flux sound similar and are easily confused. Write a short description of each term, including the SI units.
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Students have asked these similar questions
q1 = (8.60x10^-9) C
q2 = (1.232x10^-8) C
x = (6.060x10^1) m
d = (3.3000x10^0) m
Find the Electric Field at point P due to q1 and q2 for this set up.If the field is to the left, include a negative sign to indicate this.
Your answer should include:3 significant figuresUnits with your answer
What is the magnitude of the electric force, in N, between a +3000 C charge and an electron that are 1 mm away from each other?
By how many times is the electric force between two charges increased if the distance between them is one tenth of what was originally?
By what fraction, in decimal form, is the electric force between two charges decreased if the distance between them is doubled?
In the following problems, you don't need to understand the physics to complete the questions.
Focus on the equations.
(a) The force of gravity, F, between two masses, m and M, separated by a distance r, is given by
where G is a constant. Write an equation of r in terms of other variables in the equation
GmM
F=
2
for F:
r=
(b) The electric force between two charges q=3·10¯6 units and Q=-4·10¯6 units separated by a
distance,
1
d = 3-10-4 units, is given by F=
where k=9. 10⁹ units.
Without using a calculator, calculate the F.
F=
kq
x²
(c) Two positive electric charges, q and Q are separated by a distance d. Assume that q> Q> 0. The
position x from charge q where the electric field zero is given by:
=
kQ
(d-x)²
kqQ
d²
Solve for x in terms of the other variables. The quantity k is a constant. Solution 1 represents the
largest value of x.
Hint: The solution can be simplified in many ways. The solutions accepted below have a form
d
Solution 1 =
a-b
Solution 2 =
d
a+b√√
You need to figure out…
Chapter 25 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 25.1 - a. List all the uppercase letters that have the...Ch. 25.2 - The terms electric force, electric field, and...Ch. 25.2 - Prob. 25.3CECh. 25.3 - Which of the following expressions are correct...Ch. 25.3 - Find the electric flux through the three Gaussian...Ch. 25.4 - Prob. 25.6CECh. 25.7 - Is it possible for the charged solid sphere in...Ch. 25 - Which word or name has the same symmetry as the...Ch. 25 - Prob. 2PQCh. 25 - Prob. 3PQ
Ch. 25 - Prob. 4PQCh. 25 - Prob. 5PQCh. 25 - Prob. 6PQCh. 25 - A positively charged sphere and a negatively...Ch. 25 - A circular hoop of radius 0.50 m is immersed in a...Ch. 25 - Prob. 9PQCh. 25 - If the hemisphere (surface C) in Figure 25.10...Ch. 25 - A Ping-Pong paddle with surface area 3.80 102 m2...Ch. 25 - Prob. 12PQCh. 25 - A pyramid has a square base with an area of 4.00...Ch. 25 - Prob. 14PQCh. 25 - Prob. 15PQCh. 25 - A circular loop with radius r is rotating with...Ch. 25 - A circular loop with radius r is rotating with...Ch. 25 - Prob. 18PQCh. 25 - What is the net electric flux through each of the...Ch. 25 - Prob. 20PQCh. 25 - The colored regions in Figure P25.21 represent...Ch. 25 - Prob. 22PQCh. 25 - Prob. 23PQCh. 25 - Three particles and three Gaussian surfaces are...Ch. 25 - A Using Gausss law, find the electric flux through...Ch. 25 - Three point charges q1 = 2.0 nC, q2 = 4.0 nC, and...Ch. 25 - Prob. 27PQCh. 25 - A very long, thin wire fixed along the x axis has...Ch. 25 - Figure P25.29 shows a wry long tube of inner...Ch. 25 - Two very long, thin, charged rods lie in the same...Ch. 25 - Prob. 31PQCh. 25 - Two long, thin rods each have linear charge...Ch. 25 - Figure P25.33 shows a very long, thick rod with...Ch. 25 - A very long line of charge with a linear charge...Ch. 25 - Two infinitely long, parallel lines of charge with...Ch. 25 - An infinitely long wire with uniform linear charge...Ch. 25 - Prob. 37PQCh. 25 - Prob. 38PQCh. 25 - Prob. 39PQCh. 25 - Prob. 40PQCh. 25 - Two uniform spherical charge distributions (Fig....Ch. 25 - FIGURE P25.41 Problems 41 and 42. Two uniform...Ch. 25 - The nonuniform charge density of a solid...Ch. 25 - Prob. 44PQCh. 25 - What is the magnitude of the electric field just...Ch. 25 - Prob. 46PQCh. 25 - The infinite sheets in Figure P25.47 are both...Ch. 25 - Prob. 48PQCh. 25 - Prob. 49PQCh. 25 - Prob. 50PQCh. 25 - A very large, flat slab has uniform volume charge...Ch. 25 - FIGURE P25.41 Problems 51 and 52. Find the surface...Ch. 25 - Prob. 53PQCh. 25 - Prob. 54PQCh. 25 - If the magnitude of the surface charge density of...Ch. 25 - A spherical conducting shell with a radius of...Ch. 25 - A charged rod is placed in the center along the...Ch. 25 - A charged rod is placed in the center along the...Ch. 25 - A thick spherical conducting shell with an inner...Ch. 25 - A thick spherical conducting shell with an inner...Ch. 25 - A rectangular plate with sides 0.60 m and 0.40 m...Ch. 25 - Prob. 62PQCh. 25 - Prob. 63PQCh. 25 - A uniform spherical charge distribution has a...Ch. 25 - A rectangular surface extends from x = 0 to x =...Ch. 25 - A uniform electric field E = 1.57 104 N/C passes...Ch. 25 - A solid plastic sphere of radius R1 = 8.00 cm is...Ch. 25 - Examine the summary on page 780. Why are...Ch. 25 - Prob. 69PQCh. 25 - Prob. 70PQCh. 25 - Prob. 71PQCh. 25 - A coaxial cable is formed by a long, straight wire...Ch. 25 - Prob. 73PQCh. 25 - Prob. 74PQCh. 25 - A solid sphere of radius R has a spherically...Ch. 25 - A solid sphere of radius R has a spherically...Ch. 25 - A very large, horizontal conducting square plate...Ch. 25 - Prob. 78PQCh. 25 - A particle with charge q = 7.20 C is surrounded by...Ch. 25 - A sphere with radius R has a charge density given...
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- Suppose Q1 = 4.0 nC and Q2 = 9.0 nC (Figure 1). You may want to review (Pages 631 - 635). Figure + Q₁ 10 cm 5.0 cm Q₂ y 1 of 1 X Part A What is the strength of the electric field at the position indicated by the dot in (Figure 1)? Express your answer with the appropriate units. E = Part B Value 0 = Units What is the direction of the electric field at the position indicated by the dot in (Figure 1)? Specify the direction as an angle measured counterclockwise from the positive x axis.arrow_forwardWhat is the magnitude of the net electric force on charge A in the figure (Figure 1)? Assume that q_1 = 1.7 nC and q_2 = 4.4 nC. Express your answer to two significant figures and include the appropriate units.arrow_forwardTwo charges, Q1 and Q2 are placed along the horizontal line, as shown in the picture below. The Q1 Q2 charges are separated by distance a=4.4 cm and the ratio of the charges, =5. а Q1 Q2, Where along the line connecting the two charges would the net electric field be equal to zero? Express your answer as distance from the charge Q1, in centimeters, with precision of two places after decimal.arrow_forward
- Two charges lie in a line along the x axis. Charge 1 is q1 = 1.5 C and charge 2 is q2 = 2.4 C. They are each a distance of d = 0.037 m from the origin. What is the distance on the x-axis from the origin at which the electric field will be zero. Give your answer in meters.arrow_forwardWhat is the magnitude of the electric field 17.1 cm directly above an isolated 3.37x10-5 C charge? Express your answer to three significant figures and include the appropriate units. µÅ E = Submit Part B Value Request Answer upward What is the direction of the electric field? Units downward wwwww - ?arrow_forwardFill in the table using proper symbols and notation. *indicates two acceptable SI units, give both. Concept/Quantity (circle the type vector or scalar) Symbol and Units*- give name and abbreviation Equation (magnitude) for single point charge or pair of point charges. Superposition equation to find the net value at some point in space. Interaction between 2 charges? (Yes or No) Electric Force (vector or scalar?) Electric Field* (vector or scalar?) Electric Potential Energy (vector or scalar?) Electric Potential* (vector or scalar?)arrow_forward
- Two charges lie in a line along the x axis. Charge 1 is q1 = 1.1 C and charge 2 is q2 = 2.15 C. They are each a distance of d = 0.093 m from the origin. a)What is the distance on the x-axis from the origin at which the electric field will be zero. Give your answer in meters.arrow_forwardItem 15 Part A Which of the following best describes the sign of the source charge Q and test charge q in the image below? E (due to charge Q) F F (due to charge Q) O Q is positive and q is positive O Qis positive and q is negative O Qis negative and q is positive Q is negative and q is negativearrow_forwardThe coordinate of charge q1=20μC is P1 (10,6) , the coordinate of charge q2=17μC is P2 (7,6) and the coordinate of charge q3=12μC is P3 (3,9). The coordinates have centimeters as unit. a)Find the vector pointing from q1 to q2. This vector is denoted by r. b) x and y component of r.arrow_forward
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