A car accelerates from 0 to 72 km/hr in 8 seconds. What is the car's acceleration?

Explanation:

Vi = 0 m/s

Vf = 72 km/hr = (72×5)/18 = 20 m/s

t = 8 s

Vf = Vi + a×t

20 = 8a

a = 2.5 m/s^2

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