Two point charges are located on the x-axis of a coordinate system; q1 = 2 nc is at x = 1 cm, and q2 = -4 nc is at x = 3 cm. what is the total electric force exerted by q1 and q2 on a charge q3 = 5 nc at origin?

The total electric force exerted by q₁ and q₂ on a charge q₃ is

Explanation:

Given that,

First charge

Distance = 1 xm

Second charge  

Distance = 3 cm

Charge at origin

We need to calculate the total electric force exerted by q₁ and q₂ on a charge q₃

For first force,

Using formula of electric force

Put the value into the formula

For second force,

Using formula of electric force

Put the value into the formula

The total electric force is

Hence, The total electric force exerted by q₁ and q₂ on a charge q₃ is

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