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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: - If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
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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
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- The electron drift speed is small and the change of the electron is also small
- In n-type semiconductor, electrons are majority charge carriers
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- Find the maximum velocity with which a train can be moved on a circular track
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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