A point charge of -3.8 uC is located at the origin and another point charge of -4.5 µC is located at x-10.0 m. How much energy will it take to push the 4.5 µC to a position of x-1.0 m?

Identical point charges (+50 µC) are placed at the corners of a square with sides of 2.0-m length. How much external energy is required to bring a fifth identical charge from infinity to the geometric center of the square?

Given two particles with Q = 2.90-μC charges as shown in the figure below and particle with charge q = 1.32 x 10-18 C at the origin. (Note: Assume a reference level of potential V = 0 at r = ∞.) y the. x = -0.800 m 0 x=0.800 m Q (a) What is the net force (in N) exerted by the two 2.90-μC charges on the charge q? (Enter the magnitude.) N (b) What is the electric field (in N/C) at the origin due to the two 2.90-μC particles? (Enter the magnitude.) N/C (c) What is the electrical potential (in kV) at the origin due to the two 2.90-µC particles? kV (d) What If? What would be the change in electric potential energy (in J) of the system if the charge q were moved a distance d = 0.400 m closer to either of the 2.90-μC particles?

. A charge of +3.0 µC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energy is required to bring a charge of 25uC from infinity to the center of the circle? Select one: a. २.521 b. 8) C 3.375) 0. 2.53 e. 0.35)

Three charges are arranged as shown with distance d = 44 cm. What is the potential energy change when the 55 µC charge moves straight up a distance d so that it is straight across from the 33 µC charge? 33 μC d d -77 µC -55 μC

There are three point charges in a system. The first is -2.9uC and is located at (0,0.4) m. The second is 3.29uC and is located at (85.9,0) m. The third is -9.83uC and is located at (86.4,50.4) m. What is the potential (in V) at the origin due to these three charges?

The nucleus of a helium atom contains two protons that are approximately 1 fm apart. How much work must be done by an external agent to bring the two charges from an infinite separation to a separation of 1.0 fm? -230 J -2.3 x 10-13 J 2.3 x 10-13 j 2.3 x 10-16 J

Given two particles with Q = 2.80-μC charges as shown in the figure below and a particle with charge q = 1.27 x 10-18 C at the origin. (Note: Assume a reference level of potential V = 0 at r = ∞o.) 9 x = -0.800 m 0 x = 0.800 m x (a) What is the net force (in N) exerted by the two 2.80-μC charges on the charge q? (Enter the magnitude.) N (b) What is the electric field (in N/C) at the origin due to the two 2.80-μC particles? (Enter the magnitude.) N/C (c) What is the electrical potential (in kV) at the origin due to the two 2.80-μC particles? kv (d) What If? What would be the change in electric potential energy (in J) of the system if the charge q were moved a distance d = 0.400 m closer to either of the 2.80-μC particles? J

A point charge of 33 uC is placed at a distance of 36 cm from another identical charge. A charge of -1.5 uC is transferred from point a to point b as shown in the figure. Determine: a) The change in electrical potential energy b) If the -1.5 uC charge has an initial velocity of zero. What is its final velocity if it has a mass of 5.0 x 10-15 kg?

There are three point charges in a system. The first is 5.73 MicroC and is located at (0,-19.5) m. The second is 2.63 MicroC and is located at (-24.7,0) m. The third is 9.54 MicroC and is located at (-74.8,-87.4) m. What is the potential (in V) at the origin due to these three charges?