plzzzzzzz help.
Three point charges are placed at the vertices of an equilateral triangle with sides of 1m long. The charges are all positive and each of magnitude 1*10^-6C.
(i)What is the force on each charge?
(ii)What is the magnitude of the electric field,
(a)at the center of the triangle
(b)at the mid point of one side of the triangle.

Question

plzzzzzzz help.
Three point charges are placed at the vertices of an equilateral triangle with sides of 1m long. The charges are all positive and each of magnitude 1*10^-6C.
(i)What is the force on each charge?
(ii)What is the magnitude of the electric field,
 (a)at the center of the triangle
(b)at the mid point of one side of the triangle.

mertsj · Answer

Sorry.  I don't know how to do it.

ajprincess · Answer

no problem. thanx for viewing.

paxpolaris · Answer

$$\large F={ Q \cdot c_1 \cdot c_2 \over r^2}$$

ajprincess · Answer

what is c1 and c2 here?

ajprincess · Answer

I worked out. wanna check my answer.

experimentx · Answer

value of charges!!

experimentx · Answer

|dw:1337179552198:dw|

F = 2F sin60