A small object has a mass of 2.0 x 10^-3 kg and charge of - 25.0 u C . It is pla

Question

A small object has a mass of 2.0 x 10^-3 kg and charge of -25.0 uC.  It is placed at a certain spot where there is an electric field.  When the object is released, it experiences an acceleration of 3.5 X 10^3 m/s2.  Calculate the magnitude and direction of the electric field.

A small object has a mass of 2.0 x 10^-3 kg and charge of -25.0 uC. It is placed at a certain spot where there is an electric field. When the object is released, it experiences an acceleration of 3.5 X 10^3 m/s2. Calculate the magnitude and direction of the electric field.

Explanation / Answer

F = ma = EQ

solve for E.

Because Q is negative and F and E are vector quantities,

the field direction is opposite to F and thus negative.

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