A charge

Q=+75nC

is placed on the

x

-axis at

x=+4.0m

, and a second charge

q=-8.0nC

is placed at the origin. What is the magnitude of the electric field on the

y

-axis at

y=+3.0m

?\ a.

19(N)/(C)

\ b.

21(N)/(C)

\ c.

23(N)/(C)

\ d.

32(N)/(C)

\ e.

35(N)/(C)