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A particle is thrown upwards from ground. It experiences a constant air resistance which can prod...

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A particle is thrown upwards from ground. It experiences a constant air resistance which can produce a retardation of 2 m / s^2 opposite to the direction of velocity of particle. The ratio of time of ascent to the time of descent is √(α/β). Where α and β are integers. Find minimum value of α+β[g=10 m / s^2]
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