The attractive electrostatic force between the point charges +8.54 10-6 C and Q

Question

The attractive electrostatic force between the point charges +8.54 10-6 C and Q has a magnitude of 0.970 N when the separation between the charges is 0.93 m. Find the sign and magnitude of the charge Q. The attractive electrostatic force between the point charges +8.54 10-6 C and Q has a magnitude of 0.970 N when the separation between the charges is 0.93 m. Find the sign and magnitude of the charge Q. The attractive electrostatic force between the point charges +8.54 10-6 C and Q has a magnitude of 0.970 N when the separation between the charges is 0.93 m. Find the sign and magnitude of the charge Q.

Explanation / Answer

Since the force is attractive so Q is also negative

force=K*8.54*10^(-6)*Q/0.93^2=0.97

solving for Q

we get Q=1.09*10^(-5) C

and sign is negative

Q=-1.09*10^(-5) C

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