Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 19.1, Problem 5TH
A thin semicircular rod like the one in problem 4 is broken into two halves. The top half has a total charge +Q uniformly distributed along it, and the bottom half has a total charge −Q uniformly distributed along it.
On the diagram, indicate the direction of the net electric force on a positive test charge placed in turn at points A, B, and C. Explain how you determined your answers.
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Part D
Find the direction of the force that the -8.0 nC charge at the origin exerts on the -2.5 nC point charge placed at the point P in (Figure 1). Express your answer using two significant figures. Below the +x-axis
Part E Find the magnitude of the force that the -2.5nC charge exerts on the -8.0nC charge.Express your answer using two significant figures.
Part F Find the direction of the force that the -2.5nC charge exerts on the -8.0nC charge.Express your answer using three significant figures. ∘counterclockwise from the+x-axis
Constants
Particles of charge +65, +48, and – 95 µC are placed in a line
(Figure 1). The center one is L = 40 cm from each of the
others.
Part A
Calculate the net force on the left charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force is
directed to the left.
Express your answer to two significant figures and include the appropriate units.
HA
?
F+65 =
Value
Units
Submit
Request Answer
Part B
Calculate the net force on the center charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force
is directed to the left.
Express your answer to two significant figures and include the appropriate units.
HÀ
?
Figure
1 of 1
F+48 =
Value
Units
Submit
Request Answer
+65 μC
+48 μC
-95 µC
Part C
L
L
Calculate the net force on the right charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force is
directed…
Determine the magnitude of the electric field E⃗ at the origin 0 in Figure 1 due to the two charges at A and B.
Express your answer in terms of the variables Q, l, k, and appropriate constants.
Determine the direction of the electric field E⃗ at the origin 0 in the figure due to the two charges at A and B.
Repeat A, but let the charge at B be reversed in sign.
Express your answer in terms of the variables Q, l, k, and appropriate constants.
Repeat B, but let the charge at B be reversed in sign.
Chapter 19 Solutions
Tutorials in Introductory Physics
Ch. 19.1 - Draw a separate free-body diagram for each ball....Ch. 19.1 - Suppose the charge on the second ball is reduced...Ch. 19.1 - Predict what will happen if the net charge on ball...Ch. 19.1 - How does Coulomb’s law apply to situations in...Ch. 19.1 - In cases A and B shown at right there are two...Ch. 19.1 - In case C, two positive point charges +2Q are each...Ch. 19.1 - In case E a positive point charge with +Q is a...Ch. 19.1 - Is the magnitude of FPgreater than, less than, or...Ch. 19.1 - Is the magnitude of the net force on +qgreater...Ch. 19.1 - A second negative point charge Q is placed as...
Ch. 19.1 - A thin semicircular rod like the one in problem 4...Ch. 19.1 - Sketch the charge distribution on the rod.Ch. 19.1 - Is there a non-zero net electric force on the rod?...Ch. 19.1 - Is there a non-zero net electric force on the...Ch. 19.1 - State whether the magnitude of the net electric...Ch. 19.2 - Prob. 1aTHCh. 19.2 - Consider an imaginary surface in a uniform...Ch. 19.2 - Write an expression for the net electric flux net...Ch. 19.2 - Prob. 2aTHCh. 19.2 - Prob. 2bTHCh. 19.2 - Consider the surface element A itself as composed...Ch. 19.2 - Consider the left side of the box as Consisting of...Ch. 19.2 - The loop is held to the right of a positive point...Ch. 19.2 - Prob. 3bTHCh. 19.2 - Suppose that the new charge located to the right...Ch. 19.3 - Prob. 1aTHCh. 19.3 - Prob. 1bTHCh. 19.3 - Suppose that the curved portion of the Gaussian...Ch. 19.3 - A Second point charge +q is placed to the right of...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch the net electric field at each of points...Ch. 19.3 - Calculate the magnitude of the electric field at...Ch. 19.4 - A small test charge qo travels from point X to...Ch. 19.4 - Prob. 1bTHCh. 19.4 - Points B and C are a distance ro away from the...Ch. 19.4 - A large metal sphere with zero net charge is now...Ch. 19.4 - Draw arrows on the diagram to indicate the...Ch. 19.4 - A positively charged test particle moves from...Ch. 19.4 - A positively charged test particle moves from A to...Ch. 19.4 - Find the magnitude and direction of the electric...Ch. 19.4 - A particle of mass mo and charge qo is released...Ch. 19.5 - The Surface area of the face of each plate is AI ....Ch. 19.5 - A new capacitor is formed by attaching two...Ch. 19.5 - Find the charge density on the plates. Explain.Ch. 19.5 - Find the electric potential difference between the...Ch. 19.5 - Show that the capacitance of the enlarged plates...
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