Three charged particles are located on x-axis. Particle 1 carries charge +2 nC, located at x = -3 cm; particle 2 carries charge -3 nC, located at x = 1 cm; particle 3 carries charge +1 nC, located at x = 5 cm. Calculate the electric potential energy of particle 3. Answer should be in Joules

A point charge Q1=+5.9 uC is fixed in space, while a point charge Q2=+2.2 nC, with mass 7.6 ug, is free to move nearby. A) calculate the electric potential energy of the system, in joules, when Q2 is located 0.42 m from Q1. B) if Q2 is released from rest at a point 0.42 m from Q1, what will be its speed, in meters per second, when it is 0.77m from Q1? 

Four objects with positive charges of +1.0 x 10-5 C are placed at the four vertices of a45° rhombus with sides of length 2.0 m.(a) Calculate the electric potential at the centre of the rhombus (this is located where thediagonals intersect). b) Calculate the electric potential energy a charge of +3.0 x 10-5 C would have if placed atthe centre of the rhombus.

A dipole consisting of charges +Q and -Q, with Q = 6.0 nC, is fixed to the y-axis. +Q is located at (0, 0.85 mm) and -Q is located at (0, -0.85 mm). What is the electric potential at a point 0 = 63° above the negative x-axis and r = 2.1m from the origin? ○ 0.019 V ○ -0.068 V ○ 0.038 V ○ 0.075 V -0.059 V

Ch 19, problem 16 The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -7.00 x 10-9 C placed at corner A and then at corner B.

A uniform electric field of 2.0×105 N/C is oriented in the negative x direction. How much work must be done to move an electron 3.0 m in the positive x direction, if it begins and ends at rest?

Two point charges, Q = +5.60 μC and q = −2.10 μC, are separated by 5.0 m. What is the electric potential energy?

Three point charges q1 = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initially are infinitely far apart. They are then brought together and placed at the corners of an equilateral triangle. Each side has a length of 40 cm. Determine the total electric potential energy of these group of charge Express your answer in J.

Three charged particles of q₁ = 30.0 nC, q₂ = -30.0 nC, and q3 = 15.0 nC are placed on the y-axis, as shown in the figure. 9₁ 9₁ 9₁ x Charge q₁ has the coordinates (0, 8.00 cm), 9₂ has the coordinates (0, -8.00 cm), and q3 is located at the origin. (a) Find the electric potential energy (in J) of the configuration of the three fixed charges. (b) A fourth particle, with a mass of 1.98 x 10-13 kg and a charge of 94 = 60.0 nC, is released from rest at the point (6.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away. m/s

An electron is placed in an xy plane where the electric potential depends on x and y as shown in the figure (the potential does not depend on z). The scale of the vertical axes is set by V, - 500 V. In unit-vector notation, what is the electric force on the electron? Number VM) 02 x (m) 04 V(V) 02 y (m) i Units 0,4