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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
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- If the highest modulating frequency of the wave is 5 kHz, the number
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
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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