Part A A box full of charged plastic balls sits on a table. The electric force exerted on a ball near one upper corner of the box has components 1.2 x 10 3 N directed north, 5.7 × 10-4 N directed east, and 2.2 x 10-4 N directed vertically upward. The charge on this ball is 130 nC. If this ball were replaced with one that has a charge of -40 nC , what would be the force components exerted on the replacement ball? Enter your answers numerically separated by commas. ? Fnorth, Feast, Fup = N Submit Previous Answers Request Answer

Part A A box full of charged plastic balls sits on a table. The electric force exerted on a ball near one upper corner of the box has components 1.2 x 10 3 N directed north, 5.7 × 10-4 N directed east, and 2.2 x 10-4 N directed vertically upward. The charge on this ball is 130 nC. If this ball were replaced with one that has a charge of -40 nC , what would be the force components exerted on the replacement ball? Enter your answers numerically separated by commas. ? Fnorth, Feast, Fup = N Submit Previous Answers Request Answer

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Electric Fields

Section: Chapter Questions

Problem 23.2P: (a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of...

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A balloon clings to a wall after it is negatively charged by rubbing. (a) Does that occur because the wall is positively charged? (b) Why does the balloon eventually fall?
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I Review | Constants The ammonia molecule (NH3 ) has a dipole moment of 5.0 x 10-3°C m. Ammonia molecules in the gas phase are Part A placed in a uniform electric field E with magnitude 1.4x106 N/C. What is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to E from parallel to perpendicular? Express your answer using two significant figures. AU = J Submit Request Answer Part B At what absolute temperature T is the average translational kinetic energy kT of a molecule equal to the change in potential energy calculated in part (a)? (Note: Above this temperature, thermal agitation prevents the dipoles from aligning with the electric field.) Express your answer using two significant figures. ? T = K Submit Request Answer
Two charged particles are separated by 10 cm. Suppose the charge on each particle is doubled. ▾ Part A By what factor does the electric force between the particles change? ? —| ΑΣΦ Fnew Fold Submit Request Answer Provide Feedback L O
Сopy of Two charges Q1=24µC and Q2=-41µC are placed on a semi-circle with a radius R=14mm as shown in the figure below. How much work must be done to bring a third charge Q3--5µC from infinity to point P. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x10° N.m2/c2. Please do not forget the minus sign if your answer is negative. Q2 R Q1 R
I Review | Constants The ammonia molecule (NH3) has a dipole moment of 5.0 x 10-30 C.m. Ammonia molecules in the gas phase are placed in a uniform electric field E with magnitude 1.4x106 N/C. Part A What is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to E from parallel to perpendicular? Express your answer using two significant figures. ΑΣφ ? AU = J
3. 2xamine the charge distribution snown 81=14.0x105c 2=-4.0x10-5C Q 4.0 m 3.0m a. What will the net force be on a third charge of 43 = -3.0x105c. placed at point Z. b. What will the total electric potential energy be if a third Charge of ca placed at point z. 93=-3.0x107
Question 14 of 35 A particle that carries a net charge of-41.8 uC is held in a constant electric field that is uniform over the entire region. The electric field vector is oriented 25.2° clockwise from the vertical axis, as shown in the figure. If the magnitude of the electric field is 4.32 N/C, how much work is done by the electric field as the particle is made to E move a distance of d = 0.556 m straight up? d. 25.2° work: J What is the potential difference AV between the particle's initial and final positions? AV =
Bridging Problem: Electric-Field Energy and Capacitance of a Conducting Sphere 12 of 15 II Review | Constants A solid conducting sphere of radius R carries a charge Q. Calculate the electric-field energy density at a point a distance r from the center of the sphere for (a) r R. (c) Calculate the total electric field energy associated with the charged sphere. (d) How much work is required to assemble the charge Q on the sphere? (e) Use the result of part (c) to find the capacitance of the sphere. (You can think of the second conductor as a hollow conducting shell of infinite radius.) (Figure 1) Part G How would the results be affected if the solid sphere were replaced by a hollow conducting sphere of the same radius R? > View Available Hint(s) O C= 4Te) R, so the capacity won't change. O C= 00 O C=0 4теоTагь O C= where ra is an inner radius, Th is an outer radius. ть — Га Submit Previous Answers All attempts used; correct answer displayed The capacity won't change; the only change will…