An elevator car whose floor-to-ceiling distance is equal to \( 2.7 \mathrm{~m} \) starts ascendi...
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An elevator car whose floor-to-ceiling distance is equal to \( 2.7 \mathrm{~m} \) starts ascending with constant accelerating \( 1.2 \mathrm{~ms}^{-2} ; 2.0 \mathrm{~s} \) after the start a 4 -1t begins falling from the ceiling of the car. Find : the bolt's free fall time;
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