, , A particle is thrown upwards from ground. It experiences a constant resistance force which ca...

, , A particle is thrown upwards from ground. It experiences a constant resistance force which can produce retardation 2  m / s^2. The ratio of time of ascent to the time of descent is [g=10  m / s^2]
(A) 1: 1
(B) √(2/3)
(C) 2/3
(D) √(3/2),

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