SOLUTION: The car 'A' of mass 1500kg,traveling at 25m/s collides with another car 'B' of mass 1000kg traveling at 15 m/s in the same direction.After collision,the velocity of car 'A' becomes

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Question 881782: The car 'A' of mass 1500kg,traveling at 25m/s collides with another car 'B' of mass 1000kg traveling at 15 m/s in the same direction.After collision,the velocity of car 'A' becomes 20m/s. Calculate the velocity of car 'B' after collision.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
This is a physics problem and not an algebra problem.
Assume that there is conservation of momentum.
p%5Bi%5D=1500%2825%29%2B1000%2815%29
p%5Bf%5D=1500%2820%29%2B1000%28V%29
By conservation of momentum,
p%5Bi%5D=p%5Bf%5D
52500=30000%2B1000V
1000V=22500
V=22.5m%2Fs