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You are playing with some toy cars. You set up a little race car that has...

You are playing with some toy cars. You set up a little race car that has a mass of 120 grams to move at a velocity of 9.0 m/s due South, and a big toy truck with a mass of 350 grams at a velocity of 2.0 m/s due East. The two toys collide and stick together. What is the total kinetic energy of the toys after the collision?

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