The equation that solves a problem is 
. The problem is:
A. What is the initial velocity of a car that goes from rest to 18 m/s in 3.0 s?
B. What is the final velocity of a car that goes from rest to 18 m/s in 3.0 s?
C. What is the initial velocity of a car that accelerates at 18 m/s for 3.0 s?
D. What is the final velocity of a car that accelerates at 3.0 m/s2 over a 6.0 m distance?
E. What is the final velocity of a car that accelerates at 3.0 m/s2 over a 3.0 m distance?
Answer: E
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