2. A car has a speed of 18 m/s. After passing an intersection, the car speeds
up to 27 m/s in 9 seconds. What is the acceleration of the car?
Write the given:
Vi=
Vi=
Ti
VO
Find: Car's acceleration
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Vi = 18 m/s
Vf = 27 m/s
t = 9 seconds
a = Vf - Vi / t
a = 27 m/s - 18 m/s / 9 s
a = 1 m/s²