Three identical small Styrofoam balls (m = 1.99 g) are suspended from a fixed point by three nonconducting threads, each with a length of 46.2 cm and with negligible mass. At equilibrium the three balls form an equilateral triangle with sides of 31.9 cm. What is the common charge q carried by each ball? 2.4E-7 C Submit Answer Submission not graded. Use more digits. Tries 1/6 Previous Tries

Three identical small Styrofoam balls (m = 1.99 g) are suspended from a fixed point by three nonconducting threads, each with a length of 46.2 cm and with negligible mass. At equilibrium the three balls form an equilateral triangle with sides of 31.9 cm. What is the common charge q carried by each ball? 2.4E-7 C Submit Answer Submission not graded. Use more digits. Tries 1/6 Previous Tries

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 32PQ: Two small, identical metal balls with charges 5.0 C and 15.0 C are held in place 1.0 m apart. In an...

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Two small, identical metal balls with charges 5.0 C and 15.0 C are held in place 1.0 m apart. In an experiment, they are connected for a short time by a conducting wire. a. What will be the charge on each ball after this experiment? b. By what factor will the magnitude of the electrostatic force on either ball change after this experiment is performed?
Is it possible for a conducting sphere of radius 0.10 m to hold a charge of 4.0 C in air? The minimum field required to break down air and turn it into a conductor is 3.0 106 N/C.
1 , A small metal bead, labeled A, has a charge of 28nC. It is touched to metal bead B, initially neutral, so that the two beads share the 28nC charge, but not necessarily equally. When the two beads are then placed 5.0 cm apart, the force between them is 5 × 1 0 − 4 5×10 −4 N. Assume that A has a greater charge. Now what is the charge qA on the bead A? (in the unit of nC).
Using the symmetry of the arrangement, determine the direction of the force on negative charge q in the figure below, given that qa 9c = +6.60 µC and qb %3D %3D -6.60 µC. The charge q is located at the center of the square. N NW, „NE SW SE Use the compass rose to specify the direction. NE SE ŚW W NW Submit Answer Tries 0/99 Calculate the magnitude of the force on the charge q, given that the square is 10.8 cm on a side and q . -1.50 μC.
4. A small non-conducting ball, with a mass of 1.0 x 10-3 grams and a charge of 20 nC, hangs from a thread that is attached to a uniformly charged, non-conducting sheet. The thread makes an angle of 30° with the vertical, as shown in the diagram. Determine the surface charge density o of the sheet. NOTE: This is a force problem. Start with a force diagram for the ball, of course! 30° sheet of charge with surface. charge density o
Two small nonconducting spheres have a total charge of 88.0µC. When placed 1.08 m apart, the force each exerts on the other is 10.5 N and is repulsive. What is the larger charge on one of the spheres? 1.26E-9 C Submit Answer Incorrect. Tries 1/6 Previous Tries What is the (smaller) charge on the other sphere? Submit Answer Tries 0/6 What if the force were attractive? What is the larger charge on one of the spheres? Submit Answer Tries 0/6 What is the smaller charge on the other sphere? Submit Answer Tries 0/6
A charge of -2.70 nC is placed at the origin of an xy-coordinate system, and a charge of 2.20 nC is placed on the y axis at y = 3.70 cm. Part B Find the magnitude of this force. F = Part C Find the direction of this force. 0 = I Part A If a third charge, of 5.00 nC, is now placed at the point x = 2.70 cm, y = 3.70 cm find the x and y components of the total force exerted on this charge by the other two charges. Express answers numerically separated by a comma. Fa, Fy= N N ° below the +x axis
An α - particle has mass of m = 6.64 x 10-27 kg and charge q = +2e (e = 1.60 x 10-19 C). Find the magnitude of the electric repulsion between two α - particle at 4.0 cm. Write your answer in decimal with 2 - significant figure. No unit required.
What Have I Learned So Far? th 1. A -1.49 × 10-8 C charge is separated from a -1.15 x 10-9 C charge by a distance of 2.01 × 102⁰ m. Determine the repulsive force between the two charges. 70-8 2. There are two steel balls both weighing 0.75 kg and carrying equal but opposite charges. Find their individual charges if the force of attraction between them is 5.11 N and if they are separated by a distance of 1.11 m. 3. Two charges (-2.09 x 10-18 C and +1.60 × 10-19 C) are separated by a distance of 4.01 x 10-10 m. Compute the force of attraction between them. 8 Josido A sejdo Big Idea Coulomb's law for electrostatics taught you that when charges move closer to each other, the force between them increases, and vice versa. Likewise, relationships strengthen when people stay close to one another. BRUARY
The positive charge, q1 =4.5 µC, and the two negative charges, q2 = - 2.5 µC and q3 = -2.5 uC, are placed at the comers of the triangle with side lengths as indicated in the diagram. Let positive r be towards the right of the page, and let positive y be towards the top of the page. 5.0 m 3.0 m 4.0 m 93 92 A 50% Part (a) If the net force on charge qi has the form F = F,i + F, j, what is Fr, in newtons? F = 7 9 sin() cos() tan() cotan() asin() acos() E 4 6. atan() acotan() sinh() cosh() tanh() cotanh() IN O Degrees O Radians Submit Hist Fendback Feedback: Hints: A 50% Part (b) If the net force on charge qi has the form F = Fri + Fy j, what is Fy, in newtons?
Four points charges of equal magnitude Q=45 nC are placed on the corners of a rectangle of sides D1=18cm and D2=12 cm. The charges on the left side of the rectangle are positive while the charges on the right side of the rectangle are negative. Use a coordinate system where the positive y-direction is up and the positive x-direction is to the right. I just need help with letters c-e, please. I answered b already. But we need that answer for the following questions. b. Calculate the horizontal component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle. Answered: 8.7 *10^-4 c. Calculate the vertical component of teh net force, in newtons, on the charge which lies at the lower left corner of teh rectangle. d. Calculate the magnitude of the net force, in newtons, on the charge located at the lower left corner of the rectangle. e. Calculate the angle of the net force vector relative to the +x axis, with the positive direction being…