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An elevator car whose floor to ceiling distance is equal to 2.7m starts ascending with constant acceleration of 1.2m/s . Two sec after it starts; a bolt begins to fall from the ceiling of the elevator. Find (a) the bolts free fall time;
(b) The displacement and the distance covered by the bolt during the fall w.r.t. ground.
s=ut+1/2 at2
2.7=1/2(g+a)*t2
2.7=11/2*t2
11 t2=5.4
approx-
t2=0.5
t=2.2 sec
part 1 is correct.
But what is the answer of 2nd part.
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