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
A
B
C
0.7 s
D
1 s
Text Solution
Verified by ExpertsThe correct answer is:
C
As 
and lift is moving upward with acceleration
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