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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:8. Given point charges that are located in a rectangular coordinate system: A charge of -1 C is at (1 m, 1 m), a charge of -
2 C is at (1 m, -1 m), a charge of -3 C is at (-1 m, -1 m), and at (-1 m, 1 m) is a charge of -4 C. What is the direction of the
net electric force on a positive charge Q located at the coordinate origin due to the other four point charges?
A. due North
B. due East
C. due South
D.
due West
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- Two charges, q, = -10.0 µC and q, = 49.0 µC are located on the x-axis. Charge q, is at the origin, and q, is at x = 10.0 cm. Where must a positive charge q be placed (on the x-axis, in cm) so that the net force on q is zero? cmarrow_forwardWhat is the field strength of the electric vector E at the origin as a result of all three charges and what is its direction(in polar coordinates)arrow_forwardTwo point charges are situated in a cartesian coordinate system as follow: Q1 = 7.2 x 10^-6 C @ the coordinates (-0.43, 0.62) m Q2 = -4.7 x 10^-6 C @ the coordinates (0.78, 0.43) m What is the direction of the net electric field at the origin (0,0)? Answer this as an angle measured in degrees relative to the +x direction. Let answers in the first 3 quadrants be positive and negative in the 4th quadrant.arrow_forward
- Two-point charges, Q1 = -5.4 μC, and Q2 = 2.0 μC are located between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.49 m. Assume that the electric field produced by the charged plates is uniform and equal to E = 50000 N/C. Neglect the charge redistribution in plates. 1) Calculate the magnitude of the net electrostatic force on Q1. 2) Give its direction.arrow_forwardThere is a charge A of -2.3 uC at x = 1 cm and y = 4 cm. There is a charge B of -6.6 uC at x = 7 cm and y = -2 cm. a) what is the magnitude of the force (in Newton's) of A on B? b) is the direction of the force on A towards B or away from B? c) what is the magnitude of the electric field at x = 0 cm and y = 0 cm?arrow_forwardThree charges are fixed to an x,y coordinates system. A charge of +15uC is on the y -axis at y= 4m. A charge of +12uC is at the origin. Lastly a charge of -15 uC is on the x -axis at x= 3m. Determine the magnitude and direction of electrostatic force on the charge at x = 3marrow_forward
- (2) Two charges of +3 µC and +12 µC are fixed 1 m apart in space far away from any other objects. Let the +3 μC charge to be to the left of the +12 µC charge. (a) Draw a sketch of the two charges. (b) Find the magnitude of the force in Newtons on the +3 µC charge due to the other charge. (c) Draw a free-body diagram of the force acting on the +12 µC charge. (d) What is the electric field due to the +12 µC charge at the point in space where the +3 µC charge is located.arrow_forwardThree point charges with q = 7.5 μC are located as shown. If L = 15 cm, determine the magnitude anddirection of the total electric force acting on the point charge located at (0,−L).arrow_forwardA charge Q is located at x = 0 and a charge 4Q is at x = 12.0 cm. The force on a charge of -7 µC is zero if that charge is placed at x = 4.0 cm and is 619 N in the positive x direction if placed at x = 8.0 cm. Determine the charge Q in µCarrow_forward
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