A truck with a mass of 1990 kg and moving with a speed of 17.0 m/s rear-ends a 732 kg car stopped at an intersection. The collision is approximately elastic since the car is in neutral, the brakes are off, the metal bumpers line up well and do not get damaged. Calculate the initial momentum of the truck (in kg m/s) Calculate the final velocities (in m/s) for the truck and the car. vtf=______  m/s vcf= _______ m/s   Calculate the total momentum (in kg m/s) of the truck AND the car after the collision.

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