• A 1600 kg car travelling at 20.0 m/s collides with a 2200 kg car travelling in the same direction at 14.0 m/s. The two cars stick together after the collision. 
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• a. What is the speed of the two cars after the collision? 
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•  b. How much energy is lost in the collision?

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Givendata mass of first car m1 1600 1600kg velocity of first car before ... View the full answer