A 1050 kg sports car is moving westbound at 15.0 m/s on a level road when it

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kmaa1217

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collides...? ...with a 6320 kg truck driving east on the same road at 13.0 m/s. The two vehicles remain locked together after the collision.


1) What is the velocity (magnitude) of the two vehicles just after the collision?
2) Find the change in kinetic energy of the system of two vehicles for the situations of #1.
3) At what speed should the truck have been moving so that it and car are both stopped in the collision? (I know that this is 2.49 m/s)
4) Find the change in kinetic energy of the system of two vehicles for the situations of #3.
 
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