can you please show work Answer this question to collect the partial credit for

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can you please show work

Answer this question to collect the partial credit for this test. What is the correct equation for Coulomb's law? A +5.00-mu C point charge is placed at the 0.0 cm mark of a meter stick and a -5.00-mu C point charge is placed at the 50.0 cm mark. What is the electric potential at a point above the positive charge at a distance (r) of 6 m from the center of dipole, at an angle (theta) of 50 degree? A +2.00-pC point charge is placed at the 0.0 cm mark of a meter stick and a -4.00-mu C point charge is placed at the 100.0 cm mark. At what point near the charges is the electric potential zero?

Explanation / Answer

9)
Let the Point Where electric potential is zero be x cm to the right from 2.0 uC charge.

k*q1/x = k*q2/(100 - x)
2.0/ x = 4.0/(100 - x)
100 - x = 2.0 x
Solving for x
x = 33.33 cm
Point Where electric potential is zero, x = 33.33 cm to the right from 2.0 uC charge.

please post seperate questions in seperate post only.

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