Q. A elevator car whose floor to distance is $2.7\, m$ starts ascending with a constant acceleration of $1.2\, m / s ^{2}, 2$ s after a bolt is begin to fall from the ceiling of the car. The free fall time of the bolt is $\left(g=9.8\, m / s ^{e}\right)$
ManipalManipal 2013Motion in a Straight Line
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