Science, asked by hg0126, 1 year ago

answer them fast please

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Answered by Cynefin

1

First, to convert km/hr to m/s
18 km/hr= 5 m/s
72 km/hr= 20 m/s
3 minutes = 180 seconds
Acceleration= 20-5/180= 0.83333m/s^2

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