When a bullet is fired from a rifle its momentum become 20 kg m/s If the velocity of the bullet is 1000m s what will be its mass?

When a bullet is fired from a rifle its momentum become $$20\ kg\ m/s$$. If the velocity of the bullet is $$1000\ m/s$$ what will be its mass?

• A

  $$30\ g$$

• B

  $$5\ kg$$

• C

  $$20\ g$$

• D

  $$500\ g$$

$$\therefore$$ Mass of bullet       $$m = \dfrac{P}{v} = \dfrac{20}{1000} = 0.02$$ kg  $$ = 20$$ g

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