Two small plastic spheres each have a mass of 1.1 g and a charge of -53.0 nC. They are placed 3.0 cm apart (center to center). What is the magnitude of the electric force on each sphere? By what factor is the electric force on a sphere larger than its weight? Answer: F = 2.8×10¯² N, F/(mg) = 2.6
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A: qA = 1.90μCqB = 5.40μC qC = -5.20μC each side of triangle = 0.50 m
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- The figure below shows three small, charged spheres, all lying along the horizontal axis. Sphere A, at left, has a 5.20 nC charge. Sphere B has a 1.60 nC charge and is 3.00 cm to the right of A. Sphere C has a -2.10 nC charge and is 2.00 cm to the right of B. Find the magnitude (in N) and direction of the net electric force on each of the spheres. Net Force on A magnitude direction Net Force on B magnitude direction Net Force on C magnitude direction 9₁ + 3.00 cm ---Select--- ---Select--- ---Select--- N N N V v V 9B 2.00 cm qcThe figure below shows three small, charged beads at the corners of an equilateral triangle. Bead A has a charge of 1.65 µC; B has a charge of 5.40 µC; and C has a charge of -5.10 µC. Each side of the triangle is 0.500 m long. What are the magnitude and direction of the net electric force on A? (Enter the magnitude in N and the direction in degrees below the +x-axis.) y 0.500 m 60.0° C N magnitude o below the +x-axis directionA uniformly-charged sphere of plastic has a radius of 17 cm and a net charge of -5.3 micro-C. A uniformly-charged sphere of glass has a radius of 11 cm and a net charge of +4.1 micro-C. The surfaces of the two spheres are 7.0 cm apart. Determine the magnitude of the electric force acting on the plastic sphere.
- The figure below shows three small, charged spheres, all lying along the horizontal axis. Sphere A, at left, has a 6.90 nC charge. Sphere B has a 1.40 nC charge and is 3.00 cm to the right of A. Sphere C has a −2.80 nC charge and is 2.00 cm to the right of B. Find the magnitude (in N) and direction of the net electric force on each of the spheres. Three charges lie along a horizontal line. A positive charge labeled qA is on the left. 3.00 cm to its right is a positive charge labeled qB. 2.00 cm to the right of qB is a negative charge labeled qC. Net Force on A magnitude Ndirection Net Force on B magnitude Ndirection Net Force on C magnitude NdirectionFour identical charged particles (g = +10.1 µC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are L = 64.2 cm and W = 14.6 cm. L (a) Calculate the magnitude of the total electric force exerted on the charge at the lower left corner by the other three charges. (b) Calculate the direction of the total electric force exerted on the charge at the lower left corner by the other three charges. ° (counterclockwise from the +x-axis)Hw Q6