Ball m = 0.2 kg, speed v = 5 m/s

   p = 1 kg*m/s  East


Bullet m = 125 * 0.065 g = 0.008125 kg, v = 440 m/s

   p = 3.57 kg*m/s East

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Collision A:
 
   car m1 = 2000 kg, v1 = 20 m/s   p1 = 40,000 kg*m/s
   truck m2 = 15,000 kg, v2 = 0    p2 = 0

   afterwards,  

   p = 40,000 kg*m/s  ->  v = 2.35 m/s



Collision B

   car m1 = 2000 kg, v1 = 5 m/s   p1 = 10,000 kg*m/s
   truck m2 = 15,000 kg, v2 = 0    p2 = 0

   afterwards,  

   car m1 = 2000 kg, v1 = -2 m/s
   truck m2 = 15,000  v2 = +0.93 m/s
     



Collision C

   car m1 = 2000 kg, v1 = 20 m/s East     px = 40,000    py = 0
   truck m2 = 6000 kg, v2 = 30 m/s SW     px = -155,884  py = -90,000
   total                                  px = -115,884  py = -90,000

   afterwards

   vx = -14.49 m/s   vy = -11.25 m/s     angle theta = 142 degrees

     

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 Blue Man:  m = 0.2 kg, v = 20 m/s     p = 4 kg*m/s to right

 Red Man:   m = 0.2 kg, v = 70 m/s     p = 14 kg*m/s to right

    Not conserved