I have acouple problems that I can't finish, or start. Help with any of them would be appreciated.

\(\displaystyle m_1v_1 + m_2v_2 = m_3v_3\)

\(\displaystyle 1740v_1 [N] + 2000v_2 [W] = 33660 kgm/s [35 degrees W of N]\)

Need help after this point.

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My equation looks like this:1. A 1740kg car travelling [North] was crashed into a 2000kg car travelling [West]. On impact they locked together and slid at 9m/s [35 degrees West of North]. What was the speed of the 1740kg car before impact?

\(\displaystyle m_1v_1 + m_2v_2 = m_3v_3\)

\(\displaystyle 1740v_1 [N] + 2000v_2 [W] = 33660 kgm/s [35 degrees W of N]\)

Need help after this point.

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