y (m) (1 point) -3 -2 -1 1 2 x (m) Two point charges, A =-5 Q and B = 4Q, are located at the positions shown in the figure above. a) What is the force on a charge +q at the origin? jkQqN b) Where would you place a point charge +3.5 Q such that the net force on q is zero? (x, y) =(
15. A point charge Q--400 nC and two unknown point charges, 41 and ?2, are placed as shown (l point) Point charge q1 is located 1.3 meters along the +x-axis, point charge q, s located 0.7 meters down the -y-axis, and point charge Ois located 2.0 meters from the origin at an angle of 30° above the x-axis. At the origin, the three charges together create an electric field that has magnitude zero. What is the charge 91? 30° 0...
Two positive point charges 5.25 μC are fixed on the y-axis at y = 7.75 mm and y = -7.75 mm. A negative point charge -4.25 μC is located 10.0 mm on the x-axis. What is the x-component of the force on the -4.25 μC charge? What is the y-component of the force on the -4.25 μC charge? What is the magnitude of the net force on the -4.25 μC charge if it is located at the origin? Where must...
Three point charges are arranged along the x axis. Charge q 1 = -4.20 nC is located at x= 0.220 m and charge q 2 = 2.10 nC is at x= -0.330 m . A positive point charge q 3 is located at the origin. 1)What must the value of q3 be for the net force on this point charge to have magnitude 4.10 μN? 2)Where along the x axis can q3 be placed and the net force on it...
Five point charges are located on the y-axis. Two are positive with charge q = 0.54 mC and three are negative with charge q = -0.54 mC. The positive charges are a =4.5 m away from the origin, one on each side of it. Two of the negative charges are 2a away from the origin, one on each side of it. A negative charge sits at the origin. A positive point charge with charge Q= 6 mC is positioned on...
1. A point charge +Q is located at the origin, and a point
charge -Q is located at (x,y) = (0,L).
(a) Find the electric field at point P, which is a distance L
away from both +Q and -Q, as shown in the diagram. Express your
answer in unit vector notation using the coordinate system
given.
(b) A point charge -2Q is placed at point P. Find the Coulomb
force on the charge -2Q due to the other two...
2. (I) Three point charges are held in the positions shown in Fig. 22.18. Take q-1 nC. Find the resultant force exerted on (a) the charge 4q; (b) the charge -3q. 2q 3 cm ax 4q 4 cm 3q FIGURE 22.18 Exercise 2.
Two charges, one of 2.50?C
and the other of -3.50?C,
are placed on the
x-axis,
one at the origin and the other at
x
= 0.600
m,
as shown in the figure
(Figure
1)
a)
Find the position on the
x
-axis where the net force on a small charge
+q
would be zero.
Two charges, one of 2.50?C and the other of -3.50?C, are placed on the x-axis, one at the origin and the other at x = 0.600...
numbers 2 and 3
Show your works and units for full credits: (2 points) 13. A small 1.00-g plastic ball that has a charge q of 1.20 C is suspended by a string that has a length L of 1.00 m in a uniform electric field, as shown in the figure. If the ball is in equilibrium when the string makes an angle of θ-10° the vertical. What is the strength of the electric field E? (2 points) 14. Four...
electric field and flux
1.16 Gauss's law and two point charges* (a) Two point charges q are located at positions x = ±1. At points close to the origin on the x axis, find Ex. At points close to the origin on the y axis, find Ey. Make suitable approximations with x <E and y< e (b) Consider a small cylinder centered at the origin, with its axis along the x axis. The radius is ro and the length is...