A positive charge of 3 Cis placed at (3,0) and another positive charge of 3 C placed at (21,0). What is the direction of the net electric field at (12, 12)? Coordinate units are in meters. O positive y direction O none of the above O positive x direction O negative y direction
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- QUESTION 1 A dipole is formed by separating a +200 nC and -200 nC charge a distance of 44 mm. Determine the magnitude of the electric field at a distance of 12 meters measured perpendicularly from the midpoint between the charges. Express your answer in N/C. QUESTION 2 The electric field at point P is 6.0 x 1020 N/C @ 255º. What is the magnitude of the force experienced by a electron if it is placed at point P. Express your answer in newtons.A 1.75 µC charge is 4.12 cm from a 7.4 µC charge. How far from the larger charge will the electric field be zero? Answer in cm.Three negative charges of -8.13 µC form an equilateral triangle with lengths 1.48 mm on each side. A positive charge of +3.25 µC is at the center of the triangle. (Figure 1) Figure 1 of 1
- A -33 nC charge is held 1 cm above the center a uniformly charged disk 13 m in radius. If the electric force on that charge is measured to be downward and has a magnitude of 7.58 x 10-5 N, find the surface charge density of the disk in nC/m2 Do not use scientific notation. 409.72 Correct Answer: 40.66A 0.00290 kg air-inflated balloon is given an excess negative charge q1 = -3.25 × 10-8 C by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d 0.0620 m to make the balloon float. In order for this to occur, what polarity of charge must the rod possess? neutral proton O positive O negative How much charge q2 does the rod have? Model the balloon and rod as point charges. The Coulomb force constant 1/(4re0) = 8.99 × 10° N-m²/C?, and the acceleration due to gravity is g 9.81 m/s?. 92 = Cmagnitude direction BμC 60.0⁰ A μC 0.500 m (a) Three point charges, A = 2.15 μC, B = 6.95 µC, and C = -4.10 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.15 µC charge. CμC X Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. N/C Your response differs from the correct answer by more than 10%. Double check your calculations.° below the +x-axis
- Point charges of -2.31 μC and +5.97 μC are placed 0.917 m apart, with the negative charge at the origin and the positive charge on the +y-axis. (a) At what location, in meters, is the electric field due to these charges zero?A negative 17 nC charge is at the origin and a charge of 6 nC is located at 0.3 m and 1.1 m. A point P is situated at x and y . What is the magnitude of the resultant electric field intensity point P due to the two charges?An electric field E = 1.5x106 N/C right, causes the 6.0g ball to hang at an angle of 35 degrees with the vertical. Calculate the charge on the ball. Two 3.0 g point charges on 1.0 m-long thread repel each other after being equally charged. What is the charge q?
- The point charges in the figure below are located at the corners of an equilateral triangle 25.0 cm on a side, where qp = +13.0 µC and g. -6.75 µC. (Assume that the +x-axis is directed to the right.) la (a) Find the electric field at the location of qa. magnitude N/C 60 direction In what direction does an electric field that is created by a negative charge point?° (counterclockwise from the +x-axis) (b) What is the force on ga, given that qa = +1.50 nC? magnitude N 59.98 What sides of the triangle are given by the electric field in the x and y directions?° (counterclockwise from the +x-axis) directionCalculate the magnitude of the electric field at the center of a square 42.5 cm on a side if one corner is occupied by a -38.3 μC charge and the other three are occupied by -27.3 μC charges. Express your answer to three significant figures and include the appropriate units. E = HÅ Value Units ?Two charges q1 = +4.35 µC and q2 = +6.25 µC are separated by a distance of 13.17 cm. Point P is located along the line segment joining the two charges. How far is P (in cm) from q1, if the magnitude of the electric field at P due to the two charges is equal to zero? Express your answers accurate to two decimal places.