The electric potential at a point halfway between the 35.0 nC charge at the origin and the 57.0 nC charge on the +x-axis is 1.83 kV.
To calculate the electric potential at a point halfway between the two charges, we need to consider the contributions from each charge and sum them together.
Given:
Charge q1 = 35.0 nC at the origin (0, 0).
Charge q2 = 57.0 nC on the +x-axis, 2.20 cm from the origin.
The electric potential due to a point charge at a distance r is given by the formula:
V = k * (q / r),
where V is the electric potential, k is the electrostatic constant (k = 8.99 x 10^9 N m^2/C^2), q is the charge, and r is the distance.
Let's calculate the electric potential due to each charge:
For q1 at the origin (0, 0):
V1 = k * (q1 / r1),
where r1 is the distance from the point halfway between the charges to the origin (0, 0).
For q2 on the +x-axis, 2.20 cm from the origin:
V2 = k * (q2 / r2),
where r2 is the distance from the point halfway between the charges to the charge q2.
Since the point halfway between the charges is equidistant from each charge, r1 = r2.
Now, let's calculate the distances:
r1 = r2 = 2.20 cm / 2 = 1.10 cm = 0.0110 m.
Substituting the values into the formula:
V1 = k * (35.0 x 10^(-9) C) / (0.0110 m),
V2 = k * (57.0 x 10^(-9) C) / (0.0110 m).
Calculating the electric potentials:
V1 ≈ 2863.64 V,
V2 ≈ 4660.18 V.
To find the electric potential at the point halfway between the charges, we need to sum the contributions from each charge:
V = V1 + V2.
Substituting the calculated values:
V ≈ 2863.64 V + 4660.18 V.
Calculating the sum:
V ≈ 7523.82 V.
Therefore, the electric potential at a point halfway between the two charges is approximately 7523.82 volts.
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