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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: - The drift velocity of the electrons in a copper wire of length 2 m under
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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 drift velocity of the electrons in a copper wire of length 2 m under
- A source is moving towards an observer with a speed of 20 m/s and having frequency
- A disc of radius 0.1 m is rotating with a frequency 10 rev/sec in a normal magnetic
- A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor.
- A particle starts its motion from rest under the action of a constant force
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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