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Physics 18 Online
OpenStudy (anonymous):

find the electric field at point P in figure below due to the charges shown

OpenStudy (anonymous):

|dw:1387021479102:dw|

sam (.sam.):

|dw:1387024500379:dw|

sam (.sam.):

What is the formula for electric field?

OpenStudy (anonymous):

E = kq/r^2

OpenStudy (anonymous):

k = 9 x 10^9

OpenStudy (anonymous):

so , how do we solve this ?

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