The velocity time graph of a truck is plotted below: Calculate the magnitude of displacement of the truck - Science - Motion

Question

The velocity – time graph of a truck is plotted below:

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Calculate the magnitude of displacement of the truck in 15
seconds
During which part of the journey was the truck
decelerating?
Calculate the magnitude of average velocity of the truck

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Vijay Shankar Yadav · Accepted Answer

dear Student,
(1) We know that area under the v-t curve give the displacement hence d=12×4×5+7×4+12×3×4=44m(2)  during 12 to 15 s truck is decelerating as velocity is decraesing(3) average velocity=total displacement total time=4415=2
93m/s
Regard