Question: A drag racer is able to complete the 0.40-km course (0.25 mi)in 6.1 s. (a) If her acceleration is constant, what is a? (b) What

A drag racer is able to complete the 0.40-km course (0.25 mi)in 6.1 s. 

(a) If  her acceleration is constant, what is a? 

(b) What is her speed when she is halfway to the finish line?

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