Studying for midterm soon and need help understanding some topics.  Object A has a charge of +2 µC, and object B has a charge of +6 µC. Which statement is true about the electric forces on the objects? (a) 3FAB = -FBA (b) FAB = -3FBA (c) FAB = -FBA (d) FAB = FBA

Three point charges are located on the x-axis at the following positions: Q1 = +7.00 µC is at x = 1.00 m, Q2 = +3.00 µC is at x = 0.00, and Q3 = -5.00 µC is at x = -3.00 m. What is the magnitude of the electric force on Q3? (k = 1/4TE0 = 9.0 x 10^9 N. %3D m2/C2)

Three point charges are located as shown in the figure. q1 =-9 x 10-12 [C) and d =5 [cm] 92 =1x 10-12 (C] and d; = 1 [cm] 93 =-4 x 10-2 (C) and dy = 7 [cm] 93 d3 a. n Jami the t 1 at the- 92 INA d, d, de electri nyutuae or tne eiectrio neld created by the charge g at the origin d E What ie thadie origin. e.t harge qs at the origin. UR OL ne e E = (N/C f. JWha Oi Calculate ther THL NT Î IN/C) A charge go equal to -1.6 x 10-19 is located at the origin. The net electric field at the origin and the total force applied on the charge g will have: Osame direction Oopposite direction ik s]A charge go equal to -1.6x 10-19 is located at the origin, where the net electric field vector is supposed to be Ener "-4 i +4 ĵ IN/C). Calculate the net electric force vector created on go and select its unit (DO NOT USE THE VALUES FOUND IN THE PREVIOUS PARTS) met

Three charges are located on the corners of a right-angle triangle as in the figure. If a = 3,0 mm, b= 4.0 mm, Q-44 nCin the figure, what is the magnitude of the total electric force acting on the charge Q located at 4.0 mm from the origin on the x-axis? 2Q 3Q b= 4.0 mm Select one: OA 1.94 N OB. 11.62 N OC. 446 N Activate Widosat OD. 8.72 N a= 3.0 mm

In the figure four particles form a square with edge length a = 3.81 x 102m. The charges are 91 - 94 = 1.98 x 10-15 C and 92 93 =q. (a) What is q if the net electrostatic force on particle 1 is zero? (b) Is there any value of q that makes the net electrostatic force on each of the four particles zero? a) Number b) Units -x

The figure below shows a graph of v, versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. v. (m/s) 10 8. 6 2 t (s) 12 4. 8 10 (a) Find the average acceleration for the time interval t = 0 to t = 12.0 s. 0.3 V m/s2 (b) Estimate the time at which the acceleration has its greatest positive value. 3 What is the value of the acceleration at that instant? 0.2 Your response is off by a multiple of ten. m/s2 (c) When is the acceleration zero? Acceleration is zero whent = 0 The correct answer is not zero. s and when t > 0 The correct answer is not zero. s.

What must be the distance in meters between point charge q1 = 23.3 µC and point charge q2 = -68.1 µC for the electrostatic force between them to have a magnitude of 7.27 N?