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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 body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
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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 body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
- The work done in which of the following processes is equal to the change in internal energy
- A projectile is thrown in the upward direction making an angle of 60°with the horizontal
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
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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