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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 point charge is kept at the centre of a metallic insulated spherical shell. Then
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- What is the energy of He⁺ electron in first orbit?
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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