The time acceleration graph for a particle in a rectinear motion . find the average acc in the first 20 second .....
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Answer:
Averageacceleration=
time
areaofOABE
time=20s
AreaofOABE=AreaofOAD+AreaofABED
=
2
1
×10×40+10×40
=200+400
=600
∴Averageacceleration=
20
600
=30m/s
2
Hence,optionCisthecorrectanswer.
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