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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
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁
- The frequency of an alternating voltage is 50 cycles per second and its amplitude
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
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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