1) The figure below shows three point charges that lie in the x,y plane in a vacuum. Find the magnitude and direction of the net electrostatic force on the charge q2 due to the charges q1 and q3.
![402_Three point charges.png](https://secure.tutorsglobe.com/CMSImages/402_Three point charges.png)
2)There is an isolated point charge of q = 15 μC in a vaccum, as shown in the figure below. Determine the electric field at point P, which is 0.2 m away.
![1661_Isolated point charge.png](https://secure.tutorsglobe.com/CMSImages/1661_Isolated point charge.png)