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A particle of mass 2m moving with veloci...

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it. The speed of the system will be

A

0.8v

B

0.2v

C

0.6v

D

0.4v

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AAKASH INSTITUTE-LAWS OF MOTION-Assignment (SECTION-A)
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  2. A 6 kg bomb at rest explodes into three equal pieces P, Q and R. If P ...

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  3. A particle of mass 2m moving with velocity v strikes a stationary par...

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  4. Which of the following is a self adjusting force ?

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  5. Maximum force of friction is called

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  6. The limiting force of friction betwwen two bodies in contact independe...

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  7. Why is it difficult to move a bike with its brakes on ?

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  8. Which is a suitable method to decrease friction

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  9. A cubical block rests on a plane of mu= sqrt(3) . The angle through wh...

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  10. A block of mass 1 kg is projected from the lowest point up along the i...

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  11. A child weighing 25 kg slides down a rope hanging from a branch of a t...

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  12. An object of mass 1 kg moving on a horizontal surface with initial ve...

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  13. A heavy box is slid across a rough floor with an initial speed of 4 m/...

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  14. If a block moving up an inclined plane at 30^(@) with a velocity of 5 ...

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  15. A chain is lying on a rough table with a fraction 1/n of its length ha...

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  16. A block has been placed on an inclined plane with the slope angle thet...

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  17. A horizontal force of 10N is necessary to just hold a block stationary...

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  18. In the figure shown, the coefficient of static friction between the bl...

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  19. Two block A and B of masses 5 kg. and 3 kg. respectively rest on smoot...

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  20. A small metallic sphere of mass m is suspended from the ceiling of a c...

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