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प्रश्न
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the acceleration along AB and the retardation along BC.
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उत्तर
Acceleration along AB= (100 - 100)/(40 -20) = 0 ms-2
Retardation along CD= (100 - 50)/ (100 - 60) = 50/40 = 1.25 ms-2
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