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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
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- The magnifying power of the astronomical telescope for normal adjustment is 50.
- If the red light is replaced by blue light illuminating the object in a microscope
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
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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