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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: - Magnetic induction produced at the centre of a circular loop carrying current is B.
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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
- Magnetic induction produced at the centre of a circular loop carrying current is B.
- A coil of self-inductance L is connected in series with a bulb B and an AC source
- The volume of a nucleus is directly proportional to
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
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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