A pound of body fat has an energy content of about 4 100 kcal.If a 1 200-kg automobile had an equivalent amount of translational kinetic energy,how fast would it be moving? (0.447 m/s = 1 mph,1 kcal = 4 186 J)
A) 111 mph
B) 268 mph
C) 78.3 mph
D) 378 mph
E) 189 mph
Correct Answer:
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