For this we can use equations for motion.

V = at + V0

V = final velocity

a = accelaration

t = time

V0= Initial velocity

For our question;

V = 0 mi/s

a = ????

t = 9 s

V0= 60 mi/hr = 60/(3600) mi/s =...

(The entire section contains 2 answers and 108 words.)

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