Two point charges q 1 and q 2 are held 4.00 c m apart. An electron released at a

Question

Two point charges q1 and q2 are held 4.00cm apart. An electron released at a point that is equidistant from both charges (see the figure (Figure 1) ) undergoes an initial acceleration of 8.45

Two point charges q1 and q2 are held 4.00cm apart. An electron released at a point that is equidistant from both charges (see the figure (Figure 1) ) undergoes an initial acceleration of 8.45 times 1018m/s2 directly upward in the figure, parallel to the line connecting q1 and q2. Find the magnitude and sign of q1 and q2.

Explanation / Answer

Charges q1 and q2 are equidistant from the electron. The electron moves straight up. That means the horizontal components of the fields cancel because they are opposite polarity but same magnitude = q and for the same reason their vertical components add.

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