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A dust packet is dropped from 5th storey of a multi-storeyed building.In the first second of its free fall another dust packet is dropped from 7th storey 15m below the 9th storey.If both packets reach the ground at same time,then height of the building is
Options
(a) 25m
(b) 15m
(c) 20m
(d) 16m
Correct Answer:
20m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the elastic collision of objects
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- In producing chlorine through electrolysis 100 watt power at 1125 V is being
- Force required to move a mass of 1kg at rest on a horizontal rough plane
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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