charge magnitude on each sphere.
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Two charged spheres on a frictionless horizontal surface are attached to opposite ends of a string & are in static equilibrium. The 39 kg red sphere has more charge than the 22 kg green sphere. The total charge magnitude on the spheres is 120 ?C & they have the same polarity. As a result the tension is 202.5 N & the centers of the spheres are 0.39 m apart. Find the charge magnitude on each sphere.
Qred (bigger charge) =
Qgreen (smaller charge) =
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- Three point charges are arranged on the xy-plane. Charge Q3=4 µC is located on the x-axis at x=0.4 m. Charge Q₂=2 µC is located on the y-axis at y=-0.3 m. Charge Q₁=2 µC is located on the y-axis at y=0.3 m. What is the net force (magnitude and direction) on Q₁?A point charge of 4.1 uC is placed at the origin (x1=0) of the coordinate system, and another charge of -2.5uC is placed on the x-axis at x2=.21m. A) where on the x-axis can a third charge be placed in meters so that the net force on it is zero? B) What if both charges are positive; that is, what if the second charge is 2.5uC?A -3 -2 -1 y (m) 2 1 B 1 2 x (m) Two point charges, A = -3 Q and B = 7 Q, are located at the positions shown in the figure above. a) What is the force on a charge q at the origin? i+ jkQq N b) Where would you replace q such that the net force on q is zero? (x, y) = (
- Two small spheres, each with mass m = 12.0 g and charge q, are suspended from a point by threads %3D of length L = 0.30 m. What is the charge on each sphere if the string makes an angle of 15 degrees with the vertical when it's in electrostatic equilibrium? 145 nC 895 nC 99.5 nC 400 nC degreesA positive charge of 9 µC exerts and attractive force of 1 N on an unknown charge 0.8 m away. The unknown charge in µC:phy
- A thin charged rod has a linear charge density of λ = 8.00 nC/m. How much charge is on a piece of the rod 1.40 cm long? 0.112 nC 11.2 nC 0.175 nC 572 nCThree charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble are q1 = 6.20 µC, q2 = 1.01 µC, and q3 = −2.14 µC. Marble q1 is a distance r1 = 3.00 cm to the left of the marble q2, while marble q3 is a distance r3 = 2.00 cm to the right of the marble q2, as shown. Calculate the magnitude of the electric field a distance r' = 1.00 cm to the left of the center marble. What is the electric field due to each individual marble? How do you find the total or "net" electric field when you have several electric fields? Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of −3.62 µC, calculate magnitude and direction of the force on it.Plastic beads can often carry a small charge and therefore can generate electric fields. Three beads are oriented such that 92 is between 9₁ and 93. The sum of the charge on 9₁ and 92 is 91 +92 = -8.3 μC, and the net charge of the system of all three beads is zero. E field lines What charge does each bead carry? μC 91 = 92 = 93 = 000 μC μC
- 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 3A positively charged rod is brought near a neutral conducting metal sphere. Someone then touches the sphere for a few moments, then releases it. The rod is then pulled away from the sphere. What has happened to the charge and mass of the sphere?The figure below shows three small, positively charged beads at three corners of a rectangle. The particle at upper left has a charge q1 = 3.00 nC, the one at the lower left has a charge of q2 = 6.00 nC, and the one at lower right has a charge q3 = 4.00 nC. The rectangle's horizontal side has length x = 7.00 cm and its vertical side has length y = 2.00 cm. Three positive charges lie at three of the corners of a rectangle of horizontal side length x and vertical side length y < x. An charge labeled q1 is at the upper left corner. A charge labeled q2 is at the lower left corner. A charge labeled q3 is at the lower right corner. (a) What is the electric potential (in V) at the upper-right corner of the rectangle? (Assume the zero of electric potential is at infinity.) V (b) What would be the potential (in V) at the upper-right corner if the charge q2 at lower left was −6.00 nC instead? V