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Two fixed charges of 1μ C each are separated by 1m. A third charge of q=2μ...

Two fixed charges of 1μ C each are separated by 1m. A third charge of q=2μ C and mass of 10g is released between them from rest. If initially charge q was 40cm from one of the charges what will be its speed when it flies through the midpoint between the charges. (in m/s, 2 significant figures)

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