Motion in A Straight Line

Question: An elevator car, whose floor to ceiling distance is equal to 2.7 m, starts ascending with constant acceleration of 1.2 ms–2. 2 sec after the start, a bolt begins fallings from the ceiling of the car. The free fall time of the bolt is



1) \[\sqrt {0.54} \,s\]
2) \[\sqrt 6 \,s\]
3) 0.7 s
4) 1 s
Solution: Explanation: Explanation
non-uniform-motion

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