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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
- The angular speed of earth, so that the object on equator may appear weightless
- If a magnetic substance is brought near the north or the south pole of a bar magnet
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
- A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- The emission line of Lyman corresponds to the absorption line in laboratory temperature
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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