Question

Two thin rods of length L lie along the x-axis, one between x=a/2 and x=a/2+L and...

Two thin rods of length L lie along the x-axis, one between x=a/2 and x=a/2+L and the other between x=?a/2 and x=?a/2?L. Each rod has positive charge Q distributed uniformly along its length.

Part A

Calculate the electric field produced by the second rod at points along the positive x-axis.

Express your answer in terms of the variables x, a, L, Q and appropriate constants.

ANSWER:

Ex =

2kQL(12x+a?12L+2x+a)

Incorrect; Try Again; 5 attempts remaining

Part B

Find the magnitude of the force that one rod exerts on the other.

Express your answer in terms of the variables x, a, L, Q and appropriate constants.

ANSWER:

F =

Part C

Assuming a?L, find the magnitude of this force reduces to. (Hint: Use the expansion ln(1+z)=z?z2/2+z3/3?...), valid for |z|?1. Carry all expansions to at least order L2/a2.)

Express your answer in terms of the variables a, Q and appropriate constants.

ANSWER:

F =

Part D

Interpret this result.

ANSWER:

Essay answers are limited to about 500 words (3800 characters maximum, including spaces).

3785 Character(s) remaining

0 0
Add a comment Improve this question Transcribed image text
Answer #1

-a 2 fiuut Rod tgtし the terce dnet anea +L dx. 2pa 札 a. Q파 (,h@+1)-In (a(q+x))) 2. 2L

Add a comment
Know the answer?
Add Answer to:
Two thin rods of length L lie along the x-axis, one between x=a/2 and x=a/2+L and...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Charge Q is uniformly distributed along a thin, flexible rod of length L.

    Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in the figure (Figure 1).Part AFind an expression for the electric field \(\vec{E}\) at the center of the semicircle. Hint: A small piece of arc length \(\Delta s\) spans a small angle \(\Delta \theta=\Delta s / R,\) where R is the radius.Express your answer in terms of the variables Q, L, unit vectors \(\hat{i}, \hat{j},\) and appropriate constants.Part BEvaluate the field...

  • A uniformly charged rod of length L=2.2 m lies along the x-axis with its right end at the origin.

    A uniformly charged rod of length L=2.2 m lies along the x-axis with its right end at the origin. The rod has a total charge of Q=6.8 μC, A point P is located on the x-axis a distance a = 0.45 m to the right of the origin.Part (a) Consider a thin slice of the rod of thickness dr located a distance x away from the origin. What is the direction of the electric field at point P due to the...

  • A uniformly charged rod with total charge Q and length L is placed along the x-axis as shown to the right.

    A uniformly charged rod with total charge Q and length L is placed along the x-axis as shown to the right. (a) Calculate the electric field, E, at point P. Express your answers in terms of Q, L and ε0 or k.

  • 1. A line of charge aligned along the z-axis with a length of L has a...

    1. A line of charge aligned along the z-axis with a length of L has a charge density of de(z) = pz Where is the displacement along the axis and 2 = 0 at the center of the line. B gives the linear charge density per length, determining the charge density at a given location of the line. 2=0 - - a. Discuss the meaning of the linear charge density equation and what it physically means about the amount of...

  • A thin rod of length L with total charge Q lies along the x-axis and is...

    A thin rod of length L with total charge Q lies along the x-axis and is centered at the origin. Please answer the following A. What is the electric field strength E at a point P located at position x? B. Does your expression have the expected behavior for x >> L? C. Evaluate E at x = 1.9 cm if L = 3.5 cm and Q = 17 nC.

  • Problem 1 (30 points) Two uniformly charged rods with charge Q and length L lie along...

    Problem 1 (30 points) Two uniformly charged rods with charge Q and length L lie along the z-axis as shown in the figure (rods have been fixed in their positions, so they cannot move). (a)(15pts.) Find the electric field created by the left rod at point I where = > L. (b)(15pts.) Find the electric force on the right rod that is applied by the left rod.

  • 6. Consider a thin rod of length L laying on the x-axis as shown in the...

    6. Consider a thin rod of length L laying on the x-axis as shown in the figure below. The charge density is non uniform and varies as λ = λ。x/L, where λ, is a constant. (a) Find the magnitude of the force on a point charge q at x-a in terms of q, λ, a, and L. (b) Show that for a » L the answer in (a) reduces to (c) What is the total charge on the rod? (d)...

  • 6. Consider a thin rod of length L laying on the x-axis as shown in the...

    6. Consider a thin rod of length L laying on the x-axis as shown in the figure below. The charge density is nonuniform and varies as λ-λ, x/L, where λ° is a constant. (a) Find the magnitude of the force on a point charge q at x = a in terms of q, , a, and L. (b) Show that for a >> L the answer in (a) reduces to c) What is the total charge on the rod? (d)...

  • please help 2. A metal rod with a length of 25.0 cm lies in the xz-plane and makes an angle of 15.00 with the positive x-axis and an angle of 75.0° with the positive z-axis. The rod is moving in t...

    please help 2. A metal rod with a length of 25.0 cm lies in the xz-plane and makes an angle of 15.00 with the positive x-axis and an angle of 75.0° with the positive z-axis. The rod is moving in the plane at a direction perpendicular to its length with a speed of 7.50 m/s. The rod is in a uniform magnetic field of B3(0.120T)/^ + (0.260T)/^-(0.0500T)k". what is the magnitude of the emf induced in the rod? Start with...

  • LC-3 A line of positive charge lies along the x axis extending from x-0 to x-L....

    LC-3 A line of positive charge lies along the x axis extending from x-0 to x-L. The total charge Q on the lines is evenly distributed along the length L. Find the net electric field at point P, which is a distance 'a' from the origin on the x axis as shown in the figure to the right. Follow the steps in the "Procedure for Applying Coulomb's Law" that is in the "Worksheets" handed out the first day of class....

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT