An acrylic rod has a net electric charge of +2.84 x 10-6 C. How many electrons have been removed from the rod? e = 1.60 x 10-19 C.

A solid sphere of radius 40.0 cm has a total positive charge of 26.0 C uniformly distributed throughout its volume. Calculate the magnitude of the electric field (a) 0 cm, (b) 10.0 cm, (c) 40.0 cm, and (d) 60.0 cm from the center of the sphere.

A metal sphere has a charge of + 8.0 µC. (a.) How many electrons does it have? (b.) What is the net charge after 6.0 x 1013 electrons have been placed on it? Note: gnet = q1 + q2. Include the signs of the charges when solving for the net charge.

+1.0 uC +4.0 uC -1.0 uC +6.0 µc 13. The drawing shows four charges in which each are placed on the x and y axes. They are all located at the same distance of 5 cm from the origin O. For each of the situations in the drawing, determine the magnitude and direction of the net electric field at the origin. (show each component of the net electric field) (k = 8.99 x 10° Nm2/c2)

How much positive charge is in 1.3 kg of helium?The atomic weight (4.0026 g) of heliumcontains Avogadro’s number of atoms, witheach atom having 2 protons and 2 electrons.The elemental charge is 1.602 × 10−19 C andAvogadro’s number is 6.023 × 1023.1. 3.65671 × 1072. 3.37722 × 1073. 4.1138 × 1074. 4.71084 × 1075. 2.91926 × 1076. 6.26767 × 1077. 5.83852 × 1078. 1.14874 × 1089. 7.17219 × 10710. 2.74253 × 107Answer in units of C.

The two spherical shell has a charge of q1 = 0.30nC and q2 = 0.5nq. The radius of r1=7.5cm and r2 = 2.5cm. What is the new votage value in volts, after the charge transfer is completed between the two spheres? 92

Three point charges are shown below. q1 = 5.39 μC, q2 = 2.20 µC, and q3 = -13.9 µC. d₁ = 5.00 cm and d2 = 3.00 cm. What is the magnitude of the net electric force on q₁ in Newtons? 1.00 µC = 1.00 × 10-6 C, 1.00 cm = 1.00 × 10-2 m. Use K = 9.00 × 109 Nm²/C² Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 91 + 2 92 + -d₂- 93

What is the net charge on a sphere that has the following? (a) 6.05 x 10 electrons and 7.29 x 105 protons (b) 210 electrons and 102 protons

Three charges are placed along the x-axis: q1 = 3.00 µC at X1 = -20.0 cm, q2 = -5.00 µC at x2 = 10.0 cm, and q3 = 6.00 µC at x3 = 25.00 cm. Determine the magnitude of the electric field at the origin. O 4 69x106 N/C O 2 96x106 N/C O 6 04x106 N/C O 4.31x106 N/C

The drawing shows two situations in which charges are placed on the x and y axes. They are all located at the same distance of 5.00 cm from the origin O. For each of the situations in the drawing, determine the magnitude of the net electric field at the origin. -5.0 µC +1.0uC +2.0 µC -3.0 µC +4.0 µC -1.0 µC +6.0 µC (a) (b)