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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
- Activity of a radioactive sample decreases to (1/3)rd of its original value
- A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
- A potentiometer circuit has been set up for finding the internal resistance of a given
- If the earth shrink such that its mass does not change but radius decreases to one
- The charges Q, +q, and +q are placed at the vartices of an equilateral
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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