Question

Two charges are located on the x axis: q1 = +8.9C at x1 = +3.9 cm, and q2 = +8.9C at x2 = -3.9 cm. Two other charges are located on the y axis: q3 = +3.2C at y3 = +5.4 cm, and q4 = -8.6C at y4 = +7.3 cm. Find (a) the magnitude and (b) the direction of the net electric field at the origin.

Answer #1

Two charges are located on the x axis: q1 = +5.2C at x1 = +4.8
cm, and q2 = +5.2C at x2 = -4.8 cm. Two other charges are located
on the y axis: q3 = +2.3C at y3 = +4.3 cm, and q4 = -5.1C at y4 =
+6.3 cm. Find (a) the magnitude and (b) the direction of the net
electric field at the origin. The picture is just an x and y
axis

Two charges are placed on the x axis. One of the charges (q1 =
+9.4 µC) is at x1 = +2.7 cm and the other (q2 = -24 µC) is at x2 =
+8.9 cm.
(a) Find the net electric field (magnitude and direction) at x =
0 cm. (Use the sign of your answer to indicate the direction along
the x-axis.)
(b) Find the net electric field (magnitude and direction) at x =
+6.2 cm. (Use the sign of...

Two charges Q1 = -3 μC and Q2 = +3 μC are
located on the y-axis at y1 = -5 cm and y2 =
+5 cm respectively. A third charge Q3 is added on the
y-axis at y3 = -10 cm so that the electric field at the
origin is equal to zero. What is the charge Q3?

Two charges are placed on the x axis. One of the
charges (q1 = +8.4 µC) is at
x1 = +2.7 cm and the other
(q2 = -24 µC) is at x2 =
+8.4 cm.
Find the net electric field (magnitude and direction) at
x = +6.4 cm. (Use the sign of your answer to indicate the
direction along the x-axis.)

Two charges are placed on the x axis. One of the charges (q1 =
+6.88C) is at x1 = +3.00 cm and the other (q2 = -25.3C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00
cm.

Two charges are placed on the x axis. One of the
charges (q1 = +6.34C) is at
x1 = +3.00 cm and the other
(q2 = -20.7C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at (a) x =
0 cm and (b) x = +6.00 cm.

Two charges are placed on the x axis. One of the charges (q1 =
+5.49C) is at x1 = +3.00 cm and the other (q2 = -24.4C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00
cm.

Two charges are placed on the x axis. One of the charges (q1 =
+7.28C) is at x1 = +3.00 cm and the other (q2 = -23.7C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00
cm. Limit your answer to 3 significant figures.

Two charges are placed on the x axis. One of the charges (q1 =
+7.65C) is at x1 = +3.00 cm and the other (q2 = -29.8C) is at x2 =
+9.00 cm. Find the net electric field (magnitude and direction
given as a plus or minus sign) at
(a) x = 0 cm and
(b) x = +6.00 cm.
(a) Number ______ Units_____
(b) Number ______ Units_____

Two point charges,
q1=q1= 4.0×10-6 C and
q2=q2= -1.0×10-6 C,
are located on the x axis at x1 = -1.0 cm and
x2 = 3.0 cm.
(a) Determine the electric field at the origin.
b) Determine the x coordinate of a point on the positive x axis
where the electric field is zero; i.e., a test charge placed at
this point would experience no force.
(a) Determine the electric field at the origin.

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