The formula for kinetic energy is $\frac{1}{2}mv^2$, where m is the mass and v is the velocity. So, we can write the equation as:
\[\frac{1}{2}m_{m}v_{m}^2 = \frac{1}{2}m_{b}v_{b}^2\]
where $m_{m}$ and $v_{m}$ are the mass and velocity of the man, and $m_{b}$
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