A car of mass 2000kg travelling at 22m/s dashes into the rear of a truck of mass 9000 kg moving in the same direction with a velocity 5m/s.After the collision,the car bounces with a velocity of 10m/s.What is the velocity of the truck after the impact?
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we know that
m1u1+m2v2=m1v1+m2v2
2000×22+9000×5=2000×5.+9000×v2
v2=-7.66m/s
m1u1+m2v2=m1v1+m2v2
2000×22+9000×5=2000×5.+9000×v2
v2=-7.66m/s
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