A bullet of mass 20g is a fired with a velocity of 50mls from a gun of mass 2.5kg. Calculate the recoil velocity of the gun.​

Question

A bullet of mass 20g is a fired with a velocity of 50mls from a gun of mass 2.5kg. Calculate the recoil velocity of the gun.​

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Khải Quang 5 years 2021-08-29T05:23:58+00:00 1 Answers 14 views 0

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  1. thienan
    0
    2021-08-29T05:25:06+00:00
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    Answer:

    v = – 0.4 m/s

    Explanation:

    Initial momentum is zero as neither gun nor bullet have velocity

    Conservation of momentum

    0 = 0.020(50) + 2.5v

    v = – 0.4 m/s

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