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One coulomb of point charge moving with a uniform velocity $10\:\hat{X}$ $\text{m/s}$ enters the region $x\geq 0$ having a magnetic flux density $\overrightarrow{B}=\left ( 10y\:\hat{X} + 10x\:\hat{Y}+10\:\hat{Z}\right )T$. The magnitude of force on the charge at $x=0^{+}$ is _____________ $N$.

($\hat{X}$, $\hat{Y}$, and $\hat{Z}$ are unit vectors along $x$-axis, $y$-axis and $z$-axis, respectively.)
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