A particle moves with an initial velocity v_0 and retardation v, where v is its velocity at any time t

JEE Main Physics question

A particle moves with an initial velocity and retardation , where is its velocity at any time

Answer: (B),(C)

— velocity decays exponentially but never reaches zero in finite time, so the particle keeps moving indefinitely (never truly "stops shortly") —

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Question ID VK-152155