Two charged plastic beads hang from threads. Each bead has weight of 3.96 x 10 N and a charge with magnitude g. The beads are attracted to each other and the threads make an angle of 20.0" with the vertical, as shown below. The electric force acting on each charge is (enter your answer with three significant figures) possibly useful Fe = kq;9r? k= 8.99 x 10° Nm2/c2 (F)net= ma, 200 20.0 (Fylnet may 2.05 cm- 1.44x10- N Previous Answers v Correct Part B The value of g is (use the answer to Part A and enter your answer with three significant figures) nC

The figure below shows the electric field lines for two point charges separated by a small distance. (a) What are the signs of q1 and q2? (b) Determine the ratio q1/q2. Express your answer to 3 significant figures.

Four identical charged particles (q = +10.7 μC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are L = 63.6 cm and W = 14.5 cm. 9 9 W L (a) Calculate the magnitude of the total electric force exerted on the charge at the lower left corner by the other three charges. N (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) Need Help? Read It

A charge of -2.70 nC is placed at the origin of an xy-coordinate system, and a charge of 2.20 nC is placed on the y axis at y = 3.70 cm. Part B Find the magnitude of this force. F = Part C Find the direction of this force. 0 = I Part A If a third charge, of 5.00 nC, is now placed at the point x = 2.70 cm, y = 3.70 cm find the x and y components of the total force exerted on this charge by the other two charges. Express answers numerically separated by a comma. Fa, Fy= N N ° below the +x axis

The diagram below shows two point charges, A & B. The charge of A is 1.9 nC & the charge of B is -7.1 nC. Determine the magnitude & direction of the net E-field at point P. The distance between A & P is 0.31 m & the distance between B & P is 0.41 m. P WebAssign Plot P ●? 14 cm- Part B: Location of zero E-field Two point charges, A & B (qA = -20 μC & qB = 50 μC), are separated by 14 cm. The electric field at point P (see below) is zero. How far from A is P? A Enet = direction of Enet = B o relative to the HORIZONTAL in quadrant 3

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 qc

What is the magnitude of the force a +20 µC charge exerts on a +3.5 mC charge 42 cm away? Express your answer to two significant figures and include the appropriate units. HẢ ? F = Value Units

Three point charges are arranged as shown in the figure below. Find the magnitude and direction of the electric force on the particle q = 5.06 nC at the origin. (Let r,, = 0.305 m.) magnitude direction 257.87 ° counterclockwise from the +x axis 6.00 nC 0.100 m -3.00 nC|

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 Ndirection

Three point charges are arranged as shown in the figure below. Find the magnitude and direction of the electric force on the particle q = 4.94 nC at the origin. (Let r12 = 0.260 m.) magnitude N direction 9 0.100 m. -3.00 nC counterclockwise from the +x axis. 712 6.00 nC