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A bullet of mass 10 g is fired with a ve...

A bullet of mass 10 g is fired with a velocity of 100 m/s from a rifle of mass 2.5 kg, the recoil velocity of the rifle is

A

`-0.4 m//s`

B

`+ 0.4 m//s`

C

`-4 m//s`

D

`+4 m//s`

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TARGET PUBLICATION-LAWS OF MOTION-EXERCISE
  1. A light and a heavy body have equal K.E. Which body possesses greater ...

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  2. A bullet leaves the rifle of mass one kg and rifle recoils thereby wit...

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  3. A bullet of mass 10 g is fired with a velocity of 100 m/s from a rifle...

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  4. A 30 kg shell is flying at 48 m/s. When it explodes, its one part of 1...

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  5. A bullet of mass 10 g moving with 300 m/s hits a block of ice of mass ...

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  6. Two billiard balls A and B each of mass 0.05 kg moving in opposite dir...

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  7. A shell in its flight, explodes into four unequal parts. Which of the ...

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  8. When two bodies stick together after collision, the collision is said ...

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  9. Which of the following is NOT an example of inelastic collision?

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  10. For perfectly elastic collision

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  11. When a massive body suffers an elastic collision with a stationary li...

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  12. A ball of mass 5 kg travelling with velocity of 15 cm/s makes a head o...

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  13. The ratio of relative velocity of separation after collision to the re...

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  14. Choose the correct options A block of mass m moving at a speed of u c...

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  15. A body of mass 0.1 kg travelling with a velocity of 5 m/s, collides h...

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  16. A body of mass m moving with velocity 3km//h collides with a body of m...

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  17. Choose the correct options A ball of mass 250 g moving with 20 m//s s...

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  18. Choose the correct options The turning effect of the applied force doe...

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  19. The ability of a force to produce rotational motion is measured by its...

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  20. The direction of torque is given by .

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