The pistol


Diagram shows the pistol and bullet of mass 0.05 kg after the pistol has been fired. The momentum of recoils pistol backwards is 10 kg ms-1

Rajah menunjukkan pistol dan peluru berjisim 0.05kg selepas tembakan. Momentum pistol tersentak ke belakang ialah 10 kg ms-1



(a) What is the meaning of momentum?
      Apakah yang dimaksudkan dengan momentum?

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(b) In term of momentum, explain why the bullet moves forward with high velocity.
     Dalam sebutan momentum, terangkan mengapa peluru itu bergerak ke depan dengan halaju tinggi.

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(c) By using the principle of conservation of momentum,
     Dengan menggunakan prinsip keabadian momentum,

    (i) What is the momentum of the bullet.
        Berapakah momentum peluru itu.

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 (ii) Calculate the velocity of the bullet.
          Hitungkan halaju peluru itu.


Answers
Jawapan
Momentum is defined as the product of mass and velocity

Dengan jisim peluru hanya 0.05 kg menyebabkan nilai halajunya besar kerana momentumnya besar iaitu
10 kg ms-1

Momentum peluru ialah 10 kg ms-1