suppose that car 1 has a mass of 301+-0.1g, and initial speed of 2.12+-0.03 m/s in the positive x direction. car 2 of mass 305+-01g 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 momentum of the two car system with uncertainty.

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