The velocity of a car in 2hrs is 40 km/hr and 70 km/hr . Assuming constant acceleration in the given period ,find its value.
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first find average velocity over two hours = 110/2= 55km/hr
then acceleration= average velocity/time
= 55/2 (km/hr^2)
but the unit of acceleration is in m/s^2
so = (55*1000)/(2*60*60)
= 7.6388 m/s^2
then acceleration= average velocity/time
= 55/2 (km/hr^2)
but the unit of acceleration is in m/s^2
so = (55*1000)/(2*60*60)
= 7.6388 m/s^2
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