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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
- The current flowing through a lamp marked as 50 W and 250 V is
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
- The condition under which a microwave oven heats up a food item containing
- When an input signal 1 is applied to a NOT gate, then its output is
- The electric field in a certain region is acting radially outward and is given by E=Ar.
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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