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QUESTION -PART 1 - A railroad diesel engine has a mass of m = 41000 kg...

QUESTION -PART 1 - A railroad diesel engine has a mass of m = 41000 kg and a speed of v = 5.6 m/s. Compute its kinetic energy KE

PART 2 - The railroad diesel engine from the previous problem has collided with a freight car. The two have a combined mass of mD&F = 52000 kg and a speed of v = 3.2 m/s. Compute their combined kinetic energy.

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