Question

A car moves in a straight track as per the v-t graph.
(1) Find the average velocity of the car over ∆t=8s
(2) What is the average acceleration over the period from 1s to 7s​

Answer 1

1)=25∫0vdt25-0=Area of v-t graph between t=0 to t=25 s25=125[(25+102)(20)]=14m/s

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2)5 s

Answer 2

1)14m/s

2)5s

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