A charge of 50-μC is placed on the y axis at y = 3.0 cm and a 77-μC charge is placed on the x axis at x = 4.0 cm. If both charges are held fixed, what is the magnitude of the initial acceleration of an electron (me = 9.1 x 10-31 kg) released from rest at the origin?

Explanation:

Given that,

First charge, . It is placed at y = 3 cm

Second charge, . It is placed at x = 4 cm.

Force on electron due to q₁.

Force on electron due to q₂.

The net force on the electron is given by :

Let a is the acceleration of the electron. Net force is given by :

F = ma

So, the acceleration of the electron is .

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