Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
5th Edition
ISBN: 9780134402659
Author: GIANCOLI, Douglas
Publisher: PEARSON
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(c)
Calculate the electric field, E, at the origin for the three scenarios given. The magnitude
4760
of all charges is 3 C and the charges form squares with each side 1-m long. k =
8.99 x 10°Nm²/C².
=
(1) There is a charge, q = -5.66nC at the center of a green hemisphere of radius R1
3.11mm. There is also a blue hemisphere of radius R2 = 5.43cm which is centered at the same
point of the green hemisphere (making the charge also at the center of the blue hemisphere).
There is a flat red surface which is the shape of a flat donut connecting the two hemispheres
making the entire surface a closed surface.
a) What is the total flux through the entire surface?
b) What is the net flux through the blue surface
c) What is the net flux through the green surface?
R2
R1
(b) Exploded view of the sur-
face.
(a) Full Surface.
7-) A conducting sphere, with an outer radius of 25 cm and an inner radius of 20 cm, has a surface charge density of 6.37 µC / m * 2. A charge of -0.50 µC is introduced into the internal cavity of the sphere. What is the new charge density just outside the sphere?
One of these answers:
-5.5 µC
-4.5 µC
5.5 µC
4.5 µC
Chapter 21 Solutions
Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
Ch. 21.5 - Return to the Chapter-Opening Question, page 559,...Ch. 21.5 - Prob. 1BECh. 21.5 - Determine the magnitude and direction of the net...Ch. 21.5 - (a) Consider two point charges of the same...Ch. 21.6 - Four charges of equal magnitude, but possibly...Ch. 21 - If you charge a pocket comb by rubbing it with a...Ch. 21 - Why does a shirt or blouse taken from a clothes...Ch. 21 - Explain why fog or rain droplets tend to form...Ch. 21 - A positively charged rod is brought close to a...Ch. 21 - Why does a plastic ruler that has been rubbed with...
Ch. 21 - Contrast the net charge on a conductor to the free...Ch. 21 - Figures 217 and 218 show how a charged rod placed...Ch. 21 - When an electroscope is charged, the two leaves...Ch. 21 - Prob. 9QCh. 21 - Prob. 10QCh. 21 - The form of Coulombs law is very similar to that...Ch. 21 - We are not normally aware of the gravitational or...Ch. 21 - What experimental observations mentioned in the...Ch. 21 - When a charged ruler attracts small pieces of...Ch. 21 - Explain why the test charges we use when measuring...Ch. 21 - When determining an electric field, must we use a...Ch. 21 - Draw the electric field lines surrounding two...Ch. 21 - Assume that the two opposite charges in Fig. 2134a...Ch. 21 - Consider the electric field at the three points...Ch. 21 - Why can electric field lines never cross?Ch. 21 - Prob. 21QCh. 21 - Given two point charges, Q and 2Q, a distance ...Ch. 21 - Suppose the ring of Fig. 2128 has a uniformly...Ch. 21 - Consider a small positive test charge located on...Ch. 21 - We wish to determine the electric field at a point...Ch. 21 - In what ways does the electron motion in Example...Ch. 21 - Explain why there can be a net force on an...Ch. 21 - Describe the motion of the dipole shown in Fig....Ch. 21 - Prob. 1MCQCh. 21 - Prob. 2MCQCh. 21 - Prob. 3MCQCh. 21 - Prob. 4MCQCh. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Prob. 7MCQCh. 21 - Prob. 8MCQCh. 21 - Prob. 9MCQCh. 21 - Prob. 10MCQCh. 21 - Prob. 11MCQCh. 21 - Prob. 12MCQCh. 21 - (I) What is the magnitude of the electric force of...Ch. 21 - Prob. 2PCh. 21 - Prob. 3PCh. 21 - Prob. 4PCh. 21 - Prob. 5PCh. 21 - Prob. 6PCh. 21 - Prob. 7PCh. 21 - Prob. 8PCh. 21 - Prob. 9PCh. 21 - (II) Compare the electric force holding the...Ch. 21 - (II) Two positive point charges are a fixed...Ch. 21 - Prob. 12PCh. 21 - Prob. 13PCh. 21 - Prob. 14PCh. 21 - Prob. 15PCh. 21 - (II) Two negative and two positive point charges...Ch. 21 - Prob. 17PCh. 21 - Prob. 18PCh. 21 - Prob. 19PCh. 21 - Prob. 20PCh. 21 - (III) Two positive charges +Q are affixed rigidly...Ch. 21 - Prob. 22PCh. 21 - Prob. 23PCh. 21 - Prob. 24PCh. 21 - Prob. 25PCh. 21 - Prob. 26PCh. 21 - Prob. 27PCh. 21 - Prob. 28PCh. 21 - Prob. 29PCh. 21 - (II) A long uniformly charged thread (linear...Ch. 21 - Prob. 31PCh. 21 - Prob. 32PCh. 21 - Prob. 33PCh. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - Prob. 35PCh. 21 - (II) A very thin line of charge lies along the x...Ch. 21 - (II) (a) Determine the electric field E at the...Ch. 21 - (II) Draw, approximately, the electric field lines...Ch. 21 - (II) Two parallel circular rings of radius R have...Ch. 21 - (II) You are given two unknown point charges, Q1...Ch. 21 - Prob. 41PCh. 21 - (II) (a) Two equal charges Q are positioned at...Ch. 21 - (II) At what position, x = xM, is the magnitude of...Ch. 21 - (II) The uniformly charged straight wire in...Ch. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - (II) Use your result from Problem 46 to find the...Ch. 21 - (II) A thin rod bent into the shape of an arc of a...Ch. 21 - (III) Suppose a uniformly charged wire starts at...Ch. 21 - Prob. 50PCh. 21 - (III) A thin rod of length carries a total charge...Ch. 21 - (III) Uniform plane of charge. Charge is...Ch. 21 - Prob. 53PCh. 21 - Prob. 54PCh. 21 - Prob. 55PCh. 21 - Prob. 56PCh. 21 - Prob. 57PCh. 21 - (II) A positive charge q is placed at the center...Ch. 21 - (II) A dipole consists of charges +e and e...Ch. 21 - (II) The HCl molecule has a dipole moment of about...Ch. 21 - (II) An electric dipole, of dipole moment p and...Ch. 21 - (II) Suppose both charges in Fig. 2145 (for a...Ch. 21 - (III) Suppose a dipole p is placed in a nonuniform...Ch. 21 - Prob. 64PCh. 21 - Prob. 65PCh. 21 - How close must two electrons be if the electric...Ch. 21 - Prob. 67GPCh. 21 - A water droplet of radius 0.018 mm remains...Ch. 21 - Estimate the net force between the CO group and...Ch. 21 - Suppose that electrical attraction, rather than...Ch. 21 - In a simple model of the hydrogen atom, the...Ch. 21 - A positive point charge Q1 = 2.5 105 C is fixed...Ch. 21 - When clothes are removed from a dryer, a 40-g sock...Ch. 21 - Dry air will break down and generate a spark if...Ch. 21 - Prob. 76GPCh. 21 - Packing material made of pieces of foamed...Ch. 21 - One type of electric quadrupole consists of two...Ch. 21 - Suppose electrons enter a uniform electric field...Ch. 21 - Prob. 80GPCh. 21 - Three very large square planes of charge are...Ch. 21 - Prob. 82GPCh. 21 - Prob. 83GPCh. 21 - Prob. 84GPCh. 21 - Prob. 85GPCh. 21 - A one-dimensional row of positive ions, each with...Ch. 21 - Prob. 87GPCh. 21 - Prob. 88GPCh. 21 - Prob. 89GPCh. 21 - Prob. 90GPCh. 21 - Prob. 91GPCh. 21 - Prob. 92GP
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Similar questions
- (a) Three point charges are located on the circumference of a circle of radius r, at the angles shown in the figure. 9 270⁰ 150° 30° 9 x -2q ☹ What is the electric field at the center of the circle due to these point charges? (Express your answer in vector form. Use the following as necessary: ke, q, and r.)arrow_forwardTwo point charges, q1 = 2.0 × 10−7 C andq2 = −6.0 × 10−8 C, are held 25.0 cm apart. (a) What isthe electric field at a point 5.0 cm from the negative chargeand along the line between the two charges? (b)What is theforce on an electron placed at that point?arrow_forwardThe electric field everywhere on the surface of a charged sphere of radius 0.204 m has a magnitude of 510 N/C and points radially outward from th center of the sphere. (a) What is the net charge on the sphere? ]nc (b) What can you conclude about the nature and distribution of charge inside the sphere? Thie anewer hae not hean graded vetarrow_forward
- A finite line of charge with linear charge density 2 = 2.00 x 10-6 C/m and length L = 0.918 m is located along the x-axis (from x = 0 to x = L). A point charge of q = -6.44 x 10-" C is located at the point xo = 1.70 m, Yo = 4.75 m. Find the electric field (magnitude and direction as measured from the +x-axis) at the point P, which is located + + along the x-axis at xp = 11.10 m. The Coulomb force constant is k = 1/(4z/eo) = 8.99 × 10° (N-m²)/C². E = N/Carrow_forward(c) As shown in Figure 3, there are 2 non-conducting rings each with uniform charge q1 and q2. Both rings have the same radius R. The separation distance between the rings is d = 4.0 R. Given q1 = 10.0 nC, q2 = -20.0 nC, R= 0.50 m, d= 1.50 m. Calculate the net electric field at point P. Ring 1 Ring 2 12 P R R -R→| d Figure 3arrow_forward- It is found experimentally that the electric field in a certain region of the Earth's atmosphere is directed vertically down. At an altitude of 280 m the field is 60 N/C and at an altitude of 180 m it is 126 N/C. What is the net amount of charge in µC (micro Coulombs) contained in a cube of 100 m on edge located at an altitude between 180 m and 280 m?arrow_forward
- (a) What magnitude point charge creates a 10,000 N/C electric field at a distance of 0.250 m? (b) How large is the field at 10.0 m?arrow_forward(a) Sketch the electric field lines around an isolated point charge q > 0. (b) Sketch the electric field pattern around an isolated negative point charge of magnitude -2q.arrow_forwardWhat is the magnitude of a point charge chosen so that electric field 20 cmaway from it has a magnitude of 18 × 10^6N/C? [80μC]arrow_forward
- Point charges q1 = 50 μC and q2 = −25 μC are placed 1.0 m apart. (a) What is the electric field at a point midway between them? (b) What is the force on a charge q3 = 20 μC situated there?arrow_forwardThe nuclei of two atoms, such as uranium, with 92 protons, can be modeled as spherically symmetric spheres of charge. the radius ofthe uranium nucleus is approximatly 7.4 x 10-15 m. (a) What is the electric field this nucleus produces just outside its surface? (b) What magnitude of the electric field does it produce at the distance of the electrons, which is about 10 x 10-10 m? (c) The electrons can be modeled as forming a negatively charged uniform shell. What net electric field do they produce at the location of the nucleus?arrow_forward(a) Two insulated charged copper spheres A and B have their centres separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 x 10-7 C? The radii of A and B are negligible compared to the distance of separation.arrow_forward
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