Comments on: Physics: Vehichles travelling different directions collide, what is the resulting velocity? http://imhar.info/physics/physics-vehichles-travelling-different-directions-collide-what-is-the-resulting-velocity/ Travel journey planner tourist destinations and backpacking prepare saving money on travelling Mon, 16 Apr 2012 03:15:59 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: tony0891@sbcglobal.net http://imhar.info/physics/physics-vehichles-travelling-different-directions-collide-what-is-the-resulting-velocity/comment-page-1/#comment-1099 tony0891@sbcglobal.net Sun, 15 Feb 2009 02:54:16 +0000 http://imhar.info/physics/physics-vehichles-travelling-different-directions-collide-what-is-the-resulting-velocity/#comment-1099 m_1= 1000kg m_2= 1000 kg v_1= 30 m/s v_2= -20 m/s This is a momentum problem. m_1v_1+ m_2v_2 = (m_1+m_2) v_f 1000(30)+ 1000(-20)= (2000)v_f 10000/2000= v_f v_f=5 m/s in the direction of the first vehicle. m_1= 1000kg m_2= 1000 kg
v_1= 30 m/s v_2= -20 m/s

This is a momentum problem.
m_1v_1+ m_2v_2 = (m_1+m_2) v_f
1000(30)+ 1000(-20)= (2000)v_f
10000/2000= v_f
v_f=5 m/s in the direction of the first vehicle.

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