A positive charge + q1 is located to the left of a negative charge - q2. On a li

Question

A positive charge + q1 is located to the left of a negative charge - q2. On a line passing through the two charges, there are two places where the total potential is zero. The first places is between charges and is 2.99 cm to the left of the negative charge. The second place is 6.50 cm to the right of the negative charge. (a) What is the distance between the charges? (b) Find q1/q2, the ratio of the magnitude of the charges. The number of significant digits is set to 3; the tolerance is + / - 2% the number of significant digits is et to 3; the tolerance is + / - 2%

Explanation / Answer

at 2.99cm to left of q2 q1/(x-2.99)=q2/2.99 q2=2.99*q1/(x-2.99) at 6.5cm to right of q2 q1/(x+6.5)=q2/6.5 1/(x+6.5)=2.99/(6.5*(x-2.99)) x=11.07 cm q1/q2=(11.07-2.99)/2.99 =2.7

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