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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
- A series combination of resistor (R), capacitor (C), is connected to an AC source
- A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite
- The temperature coefficient of a resistance wire is 0.00125 per degree.
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
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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