PROBLEM #4: Calculate the amount of electric potential energy possessed by 5.5x101°C at a point where the electric potential is 5.70Volts?

A moving particle encounters an external electric field that decreases its kinetic energy from 9450 eV to 6990 eV as the particle moves from position A to position B. The electric potential at A is -43.0 V, and that at B is +39.0 V. Determine the charge of the particle. Include the algebraic sign (+ or -) with your answer. Number i Units Lower potential Higher potential VB E SUBROL

A spherical conductor has a radius of 14.0 cm and a charge of 52.0 µC. Calculate the electric field and the electric potential at the following distances from the center.

A metallic sphere of radius 10 cm has a charge of 5μC. What is the electric potential at 5 cm

Consider two separate systems with four charges of the same magnitude q = 16 µC arranged in the vertexes of a square of length h = 35 cm, see the picture below. Calculate the electric potential at the center of the square (points A and C) and at the middle of the bottom side of the square (points B and D). y y h h А. C. h В D b- The potential at point A, VA = 2320457.1x Units v The potential at point B, Vg = 2378380.8 Units V The potential at point C, Vc = 0 Units V The potential at point D, V, = -908380.8: Units v How much work is required to move a -12 µC charge from point A to point B? The work required, WAs =|-0.7349 X Units J How much work is required to move a -12 µC charge from point C to point D? The work required, Wc-o = 10.90 Units J

5. A 4.0-nm-diameter protein is in a 0.05 M KCl solution at 25°C. The protein has 9 positive and 20 negative charges. Model the protein as a sphere with a uniform surface charge density. What is the electric potential of the protein (a) at the surface and (b) 2.0 nm from the surface?

Consider a certain amount of a conducting liquid sprayed into 650 equal spherical drops. Each drop is charged to the same electric potential of 2.5 V (relative to the infinity where potential is zero). If all these 650 drops are combined into one large spherical drop, what is the electric potential of this large drop? The electric potential of the large drop, V = Units Select an answer ✓

A Uniform electric field of magnitude 300 N/m is directed parallel to the +X axis. The electric potential at the origin is equal to 150 volts. Determine the electric potential: on x-axis at x = 15 cm and x = -15 cm   on y-axis at Y = 6 cm at point (6 cm, 4.5 cm)

Problem 7:  Consider two points in an electric field. The potential at point 1, V1, is 26 V. The potential at point 2, V2, is 159 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a)  Write an equation for the change of electric potential energy ΔU of the electron in terms of the symbols given.   Part (b)  Find the numerical value of the change of the electric potential energy in electron volts (eV).  Part (c)  Express v2, the speed of the electron at point 2, in terms of ΔU, and the mass of the electron me.  Part (d)  Find the numerical value of v2 in m/s.

OD OC Part 2: Does the electric potential energy of the electron increase or decrease? A) positive, increase B) positive, decrease C) negative, increase D) negative, decrease O A #2. Electron moves from i tof in a uniform electric field as shown. Part 1: Does the electric field do positive or negative work on the electron? OB f B Ē