Consider a charge of -2.0 mC between two charged parallel plates as shown below. What will be the change in the potential energy (AU) of this charge when it is moved from point B to point A if the potential difference AV (=V-VR) is +1000 V? A. -2.0 J B. +2.0 J C. -2000 J D. +2000 J E. OJ A | + + + +

QUESTION 3 Which of the following statements is the correct equation for conservation of mechanical energy for a point charge, q, and mass, m, moving with a speed, v, through a potential difference, V - V in an electric field? f 1 mv? + qV,=-mv² + qV, а. b. 1 ,2 2 2 O c. 1 mv¸+qV +qV i f d. 1 1 mv?+ V 2 * V,=-mv² + V f 2 f Imv?+ V = -mv? +V, е. 2 f

The work done by an electricforce in moving a charge from point A to point B is 2.51x 103 J. The electric potential difference between the two points is VA- VB = 55.9 V. What is the charge? Number Units

21. Two metal plates are charged and are measured to have a potential difference of 15.0 V. An electron is placed near the negative plate and released. What is the kinetic energy of the electron when it reaches the positive plate? a. 24.0 x 10¹ b. 9.9 x 10-¹9 1.0 x 10-¹9 J 13.4 x 10-19 j c. d.

1. A negative test charge -do is located relative to positive charges 91 and q2 as shown in figure. Find the electrostatic potential energy of go. H (+ -90 91 + 92

Two particles with charges +2e and -5e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 5.51 x 10-10 m apart. What is EPE final - EPE initial, which is the change in the electric potential energy? Number i | Units