A charge $Q_1=1\mathrm{.}53C$ is at rest and is located $2\mathrm{.}40cm$ away from another fixed charge $Q_2=1\mathrm{.}65C.$ The first charge is then released. Calculate the kinetic energy of charge $Q_1$ when it is $5\mathrm{.}40cm$ away from charge $Q_2.$

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