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A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹. Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
Options
(a) 4 ms
(b) 40 ms
(c) 400 µs
(d) 1 s
Correct Answer:
4 ms
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 satellite A of mass m is at a distance r from the centre of earth. Another satellite
- A potentiometer wire of length 100cm has a resistance of 10Ω. It is connected in series
- A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- At what temperature will the rms speed of air molecules be double that of NTP?
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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