suppose that car 1 has a mass of 0.301+-0.0001kg, and initial speed of 2.12+-0.03 m/s in the positive x direction. car 2 of mass 0.305+-0.0001kg is initially stationary. the two cars collide. after the collision, car 1 comes to a stop, and car 2 has a speed of 1.97+-0.02 m/s in the positive x direction. calculate the total initial kinetic energy of the two car system with uncertainty.

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