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A 1,200 kg car initially traveling at 20 meters/second increases its speed to 28 meters/second. How much work did the car's engine have to do to cause this change?

A. 38,400 Joules
B. 230,400 Joules
C. 240,000 Joules
D. 470,400 Joules
(Show work will ya doll, please?)

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