The speed of a car as a function of time is shown in the figure above. Find the distance travelled by the car in 8 seconds and its acceleration.
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speed = distance / time
therefore , 20 = distance / 8
distance = 20/8 = 2.5 m
by definition , v = u + at
therefore , 20 = 0 + a× 8
a= 20/8 = 2.5 m/s
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