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A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth surface and fires 10 shots horizontally, in 5s. Each bullet has a mass of 10 g with a muzzle velocity of 800 ms⁻¹. The final velocity acquired by the person and the average force exerted on the person are
Options
(a) -1.6 ms⁻¹ ; 8 N
(b) -0.08 ms⁻¹ ; 16 N
(c) -0.8 ms⁻¹ ; 8 N
(d) -1.6 ms⁻¹ ; 16 N
Correct Answer:
-0.8 ms⁻¹ ; 8 N
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The time period of a mass suspended from a spring is T. If the spring is cut into four
- A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- A rod of weight W is supported by two parallel knife edges A and B is in equilibrium
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
- If the wavelength of incident light falling on a photosensitive material decreases,
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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