Two carts on a track are headed toward each other, and have a head-on collision. Cart 1 has a mass of 2 kg and is traveling at 3 m/s, and Cart 2 has a mass of 3 kg and is traveling at 1.5 m/s. After the collision, Cart 2 has a speed of 0.75 m/s in the opposite direction it was originally traveling. a. What is the speed and direction of cart 1 after the collision? b. What is the change in energy during this collision? Is it elastic? c. What type of collision is it

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