# Physics

Two point charges that have charge values of 4.0 X 10^-6 C and -8.0 X 10^-6 C, respectively, are separated by 2.4 X 10^-2 m. What is the mutual force between them, given that kC = 8.99 X 10^9 Nm^2/C^2?

I got the Felectric as -5.0 X 10^2 N, but I'm not sure if that value is supposed to be negative.

1. 👍 0
2. 👎 0
3. 👁 681
1. 8.99*10^9[-32*10^-12 / 5.76*10^-4]
= -49.9 *10^1
= -500 agree
force is attractive (opposite signs). I guess you could call that negative.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physic

two point charges are placed on the x axis as follows: charge q1 = +4.00 nc is located at x = 0.200 m, and charge q2 = +5.00 nc is at x = -0.300 m what ae the magnitude and direction of the net force exerted by these two charges

2. ### physics

Two point charges are fixed on the y axis: a negative point charge q1 = -23 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 µC is fixed at the origin. The net electrostatic force

3. ### physics

A point charge of –3.00 μC is located at the origin; a point charge of 4.00 μC is located on the x axis at x = 0.200 m; a third point charge Q is located on the x axis at x = 0.320 m. The electric force on the 4.00 μC charge

4. ### physics

Consider three point charges arranged along the x axis. Charge q1 = -4.90 nC is located at x= 0.240 m and charge q2 = 2.30 nC is at x= -0.340 m . A positive point charge q3 is located at the origin. -Calculate the value of q3 such

1. ### Phyiscs

Three point charges are arranged along the x-axis. Charge q1 = +2.75 µC is at the origin, and charge q2 = -6.00 µC is at x = 0.220 m. Charge q3 = -7.00 µC. Where is q3 located if the net force on q1 is 6.75 N in the

2. ### programming

The figure shows two unequal point charges, q and Q, of opposite sign. Charge Q has greater magnitude than charge q. In which of the regions X, Y, Z will there be a point at which the net electric field due to these two charges is

3. ### Physics

A 5.0*10^-6C point charge is placed at the 0.00 cm mark of a meter stick and a -4.0 *10^-6C point charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field due to these charges equal

4. ### Physics

Two point charges, 3.0 µC and -2.0 µC, are placed 4.8 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and the 3.0 µC charge is at x = 4.8 cm. At what point(s) along the x axis is the potential zero? I know

1. ### physics

A point charge Q = -400 nC and two unknown point charges, q1 and q2, are placed as shown. Point charge q1 is located 1.3 meters along the +x-axis, point charge q2 is located 0.7 meters down the -y-axis, and point charge Q is

2. ### Physics

Consider the following four possibilities for two point charges and choose the one(s) that do not change the magnitude of the electrostatic force that each charge exerts on the other: A. Double the magnitude of each charge and

3. ### Physics

Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force

4. ### physics

Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.80 µC is at y = 6.00 m, and a charge of q2 = -8.20 µC is at y = -4.10 m. The net electric force on the third point charge is zero. Where is this