Question

Please do this physics question and MAKE SURE TO SHOW YOUR WORK! 25 points and brainliest!

Answer 1

Answer:

Explanation:

v= u + at

v= 80km/hr*5/18 = 22.2m/s

u= 103km/hr*5/18 = 28.6m/s

22.2= 28.6 + a*20s

-6.4=a*20

a= - 0.32m/s2

retardation is 0.32m/s2

Answer 2

Answer:

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