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Physics, 26.07.2019 06:00 alkaline27

Abumper car with a mass of 200 kilograms traveling at a velocity of 3.5 meters/second collides with a stationary bumper car with a mass of 250 kilograms. if the two bumper cars stick and move together at a velocity of 2.3 meters/second, what is the kinetic energy of the system after the collision? 4.5 × 10^2 joules 6.0 × 10^2 joules 8.7 × 10^2 joules 1.2 × 10^3 joules

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