Verified answer

dont know

Electric field intensity is given by formula:

E = kq / r²,

where k is 9 × 10⁹ Nm²/C²

q is charge of the object and

r is distance from the object.

Solve E for q = +20 μC at distance r = 10cm (midway between charges)

Solve E for q = -8 μC at same distance.

Than add those Es, and you get the resultant intensity.

NOTE: You need to convert μC to C (1μC = 10⁻⁶C), and cm to m (1cm = 10⁻²m).

the international because of the left hand fee is kq/r^2 and components radially outward in all regulations. the international because of the surprising hand fee is kq/r^2 and additionally components radially outward in all regulations. between the two expenses, their fields think of roughly opposing regulations and subsequently cancel one yet yet another. on the element precisely halfway between the costs, their fields are equivalent in fee yet precisely opposite in direction so as that the internet container at that element is 0. If one fee is useful and the quite a few is destructive, the fields ought to upload between the costs because of the actuality the destructive fee components radially INWARD in all regulations. For + and - expenses the fields are in opposite regulations outdoors the costs. For like expenses the fields are indoors the comparable direction outdoors the costs and upload