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An elevator car whose floor to ceiling distance is equal to 2.7m starts ascending with constant acceleration of 1.2 ms⁻².After 2s of the start, a bolt begins falling from the ceiling of the car.The free fall time of the bolt is
Options
(a) √6 s
(b) 0.7 s
(c) 1 s
(d) √0.54 s
Correct Answer:
1 s
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
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
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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