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# a car goes from 40 m/s to 80 mps in a distance of 200 meters. what is it's average aceleration?

a car goes from 40 m/s to 80 mps in a distance of 200 meters. what is it's average aceleration?

A) 8m/s^2

B)9.6m/s^2

C)12m/s^2

D)24m/s^2

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- pierrot bulesLv 79 years agoFavorite Answer
Answer C 12 m /s^2

v^2 = v°^2 + 2a x

x = 200m

a =( v^2 - v°^2 ) 2x =(6400 -1600) / 400 = 12 m/ s^2

http://hyperphysics.phy-astr.gsu.edu/hbase/mot.htm...

Goodbye

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