4 lines
140 B
TeX
4 lines
140 B
TeX
\begin{align}
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\v{p}_1' &= mv\v{n}_0+m_1(\v{p}_1+\v{p}_2)/(m_1+m_2), \\
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\v{p}_2' &= -mv\v{n}_0+m_2(\v{p}_1+\v{p}_2)/(m_1+m_2),
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\end{align}
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