An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a time of 5.0 s and has a velocity of +20 m/s at the end of this time. Determine the acceleration of the object during this motion.
A. ?1.6 m/s2
B. +6.4 m/s2
C. +1.6 m/s2
D. ?2.0 m/s2
E. ?6.4 m/s2
Answer: C
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