A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth

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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)

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