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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.
Related Questions: - A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- Equal charge q each are placed at the vertices AQ and B of an equilateral triangle
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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 train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- Equal charge q each are placed at the vertices AQ and B of an equilateral triangle
- Three identical spherical shells, each of mass m and radius r are placed
- The radius of curvature of a convave mirror is 24 cm and the imager is magnified
- A metal bar of length L and area of cross-section A is clamped between two rigid
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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