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# A system consists of three particles with these masses and velocities: mass 3.0 kg, moving north at 3.0 m/s; mass 4.0 kg, moving sooth at 5.0 m/s; and mass 7.0 kg, moving north at 2.0 m/s. What is the total momentum of the system?

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In this problem, we have to find the total momentum of the system using the given information.

\begin{align*} m_1&=3\ \text{kg}\\ m_2&=4\ \text{kg}\\ m_3&=7\ \text{kg}\\ v_1&=3\ \frac{\text m}{\text s}\\ v_2&=5\ \frac{\text m}{\text s}\\ v_3&=2\ \frac{\text m}{\text s}\\ \end{align*}

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