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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 second overtone of an open pipe is in resonance with the first overtone
- When a ceiling fan is switched off its angular velocity reduces to 50% while
- A heavy stone hanging from a massless string of length 15 m is projected
- The photoelectric threshold wevelength for potassium (work function being 2 eV) is
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
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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