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 Vs = 500 V. In unit-vector notation, what is the electric force on the electron? Number i V (V) V 0 -VE i 0.2 x (m) 0,4 V (V) V. -V₂ -0.2 y (m) j Units 0.4
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- Three charges (q_1 = 4.0 nC, q_2 = 3.0 nC, q_3 = -5.0 nC) are placed at the corners of a right triangle as shown in the figure, where d = 4.99 cm. Calculate the electric potential energy of this configuration of three fixed charges. Give your answer in units of microjoules. Enter answer here 93 92 2d Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8 Image size: S M L Max C µJAn electron is moved from point A, where the electric potential is VA = −126 V, to point B, where the electric potential is VB = −339 V. What is the change in the electric potential energy?The graph in the figure shows the variation of the electric potential V as a function of position x. V (volts) 4 AA 4 2 4 -8 -6 -2.0 V/m +2.0 V/m The x-component of the electric field at x = -3 m is given by: -0.5 V/m -0.67 V/m 6 +0.67 V/m →x (meters) 8
- 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 charges. Express your answer in J.What is V₁, the electric potential at point B, located at distance d from one end of the rod (on the x axis)? Answer: V (kq/L)ln(1+L/d) L/2 +q L/2 d BTwo protons are located at (4.60, 0) m and (0, 3.80) m, respectively. Determine the following. (a) the electric potential at the origin v (b) the electric potential energy of a third proton located at the origin J
- In the diagram, q1 = -6.39*10^-9 C and q2 = +3.22*10^-9°C. What is the electric potential at point P? Include a + or - sign. 91 q2 + 0.424 m+ 0.636 m (Remember, V adds as a scalar, NOT a vector. (Unit = V) %3DThe drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges 9, and gɔ are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -3.08 x 10-8 C placed at corner A and then at corner B. ЕРЕД 5.61e-7 ЕРЕВ - -4.79e-7 er B 91 = +1.5 x 109c q2= +4.0 x 10-°c D GO Tutorial Additional Materials M eBook 591 JAN 27 attv CO X XAn electron moving parallel to the x axis has an initial speed of 5.18 x 106 m/s at the origin. Its speed is reduced to 1.68 x 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. Volts (b) Which point is at the higher potential? O the origin O the point x = 2.00 cm O both have the same potential
- An electron moving parallel to the x axis has an initial speed of 3.40 x 106 m/s at the origin. Its speed is reduced to 1.98 x 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. Volts (b) which point is at the higher potential? O the point x = 2.00 cm ● the origin O both have the same potentialThe electric potential in a certain region is represented by the graph shown below. What is the electric force vector on an alpha particle that is at x = 0.70 cm and moving to the right? Express your answer in vector form. F = v (10° v) 10 6 5 4 3 2 1 X (cm) 6 1 2 3 4 5A charged particle ( q = 8.0 mC), which moves in a region where the only force acting on the particle is an electric force, is released from rest at point A. At point B, the kinetic energy of the particle is equal to 6.4 J. What is the electric potential difference V B − V A?