Asked by bete

velocity 16 20 24 24 24 21 18,time 0 10 20 40 60 70 80. show how the velocity of a car changed during part of a journey along a main road. (a)draw a valocity -time grapy for the journey.(b)write brief description of the journey.(c)the car's speed changed during two parts of the journey. calculate its acceleration at these time.
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