7. Three positive charges, q1, q2, and q3 are connected with two strings of equal length L. Due to mutual Coulomb repulsion the charges spread out and form a straight line such that the distance between 1 and 3 is 2L and, with 2 in the middle, the distance between 1 and 2 or 2 and 3 is just L. Find the tension force in each string.
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- Three point charges are shown as below. Find the net force experienced by q2 due to q1 and q3. 200 μC 100 µC -100 μC (+) +) 1m 1m q1 q2 931. Two point charges are located on the x axis of a coordinate system. One point charge (+2mC) is located at x = 0.1 m and the other (+4mC) is located at x = 0.3 m. There are no other charges or force agents anywhere in the vicinity of the charges. Which of the following statements are true? A. Both charges will move toward the origin. B. Both charges will experience the same force magnitude. C. The larger charge will experience a larger force than the smaller charge. D. The larger charge will experience a smaller force. E. The charges will move toward from each other.Picture below shows two charges, Q and 4Q separated by a certain distance, with a small vertical line indicating half-point between the two charges. А В C D E F 4Q In which region (as identified by the letters) can one identify a spot where the net electric force on an electron due to the two charges is zero? А
- 9. In a certain region of space, a uniform electric field has a magnitude of 4.6 x 104 N/C and points in the positive x direction. Find the magnitude and direction of the force this field exerts on a charge of -9.30 uc. A uniform electric field is established by connecting the plates of a para If the plates are separated by 0.75 cm, w8. Three charges are placed as shown in Fig. The magnitude of q₁ = 2.00μC but its sign and the value of the charge q2are not known. Charge 3 = +4.00μC is and the net force Fon q3 is entirely in the negative -x direction. (a) Considering the different possible signs of q₁, there are four possible force diagrams representing the forces Fand F₂ that q₁ and 42 exert on 93. Sketch these four possible force configurationsAnil
- 1. Three charges form an equilateral triangle of side length d. The top charge is 93Q and is located on the y-axis, while the bottom two are q₁ = 92 = 4Q and are located on the x-axis. What is the net force acting on q3? -4kQ2 d² (2) -4kQ2 j -AkQ² (3) (4) -8kQ² +√√3kQ² (5) d2 d² 3d² d²b) Calculate the net force (magnitude and direction) exerted on charge q by the other four charges, in terms of q, Q, d, and e0. You may draw the force vector to indicate the direction. c) If the charge q is released from rest, and the four other charges held fixed, will the charge q ever “escape” to infinitely far away (assuming an infinite amount of time can pass)? Justify your answer.16. Imagine three point charges at the corners of an isosceles triangle: q₁= 2.22 x10-¹0 C, 92= 3.33 nC, and q3= 4.44x108 C. The charges qi and q2 are 1.00 m apart and form the triangle's base. The triangle is 0.250 m tall. If q3 is at the top, what is the magnitude and direction of the resultant force on q3? (4.08x10-6 N, 150.2°)