Kelly is driving a car with a mass of 800 kilograms in a south direction with a speed of 18 meters/second. dominic is driving a truck with a mass of 1500 kilograms with a velocity of 15 meters/second to the east. they undergo perfectly inelastic collision. what is the magnitude of the final momentum of both the truck and the car. 7.0 × 104 kilogram meters/second 3.2 × 104 kilogram meters/second 2.4 × 104 kilogram meters/second 3.7 × 104 kilogram meters/second 3.4 × 104 kilogram meters/second